Professor Anthony Atkinson, (University of Waterloo) and adapted by
Professor John Shank (The Amos Tuck School of Business Administration Dartmouth College)
This case is reprinted from Cases in Cost Management, Shank, J. K., 1996, South Western Publishing Company. The case was adapted by Professor John Shank, with permission from the author from an earlier case written by Professor Anthony Atkinson under a grant from the Society of Management Accountants of Canada. The case was originally set in the mid-1980s.
In September of 2017 Michael Smith, Division Manager of Brunswick Plastics, faced an important pricing decision on a major new bid opportunity. Michael knew that pricing too high meant losing a bid that would employ currently unused capacity. On the other hand, pricing too low meant losses on the job. In the first two months after Michael arrived in November of 2015, the presses were running only about 40 per cent of available machine hours. The division had recently lost two large contracts and was struggling to find a solid market position. Michael had instituted a policy of âcontribution margin pricingâ to restore profitability. He reasoned that the fixed costs were already in place and there was heavy excess capacity. Any orders that generated positive contribution would enhance bottom line profits. In two years, machine running time was up to almost 50 per cent of available machine hours and the number of different products manufactured was up from 30 to 50.
THE COMPANY
In addition to the 50 different products BP was selling, it was also typically experimenting in the factory with a few others at any given time. New product introductions seemed to Michael to be a key step in filling up the factory. Smithâs best estimate of sales for 2017 was $1 200 000 and he thought BP would again be just above the breakeven level on profits. An estimated income statement for 2017 is shown in Exhibit 1. The division had 20 full-time employees. Since the factory was not unionised, the factory employment fluctuated monthly, based on demand. Factory employment had ranged between 13 and 31 people in the past 2 ½ years. Through strict attention to quality control, and by aggressively promoting its products, BP products were specified by major customers and had become the industry standard for quality.
BP sold its products in both domestic and US markets and faced a highly competitive environment. There were many injection moulding companies in eastern Canada and the northeastern part of the USA. As a result, pricing was a key to success, both from the point of view of securing contracts, and from the point of view of profitability.
Manufacturing at EP was done in two different modes. Some of the high-volume products were manufactured to stock in long runs to minimize set-up costs and to maintain required inventory levels. However, for most products, production was in response to a specific order.
THE COSTING ENVIRONMENT
There were five major injection moulding presses in use at BP. The machines were of varying ages and all experienced frequent down-time because of set-ups, raw material problems, regular repairs, and special repairs related to complex products or new product problems. The factory typically operated 2 shifts a day, 5 days a week, but volume fluctuations also led sometimes to one shift or three shift operations.
There were four common stages involved in manufacturing a product: (1) set up of the production
machine, (2) the production operation, (3) the assembly operation, and (4) the testing operation. The setup, assembly, and the testing operations were labour-intensive. The labour content of the production operation varied widely from product to product.
In injection moulding, molten plastic is forced into a mould where it is âcuredâ. The curing process requires cooling the mould, usually with water. Once the product has cured, the mould is opened and the product is removed.
Some products were produced in stationary moulds that required little manual intervention. Water has passed through these moulds during the curing cycle. At the completion of the curing cycle, the moulds were opened and the products ejected automatically. For these products, the direct labour content was minimal and the operation was machine-paced.
Other products were produced in removable moulds that required manual intervention. After the plastic was injected, these moulds were removed from the moulding machine and placed into a vat of water for the curing cycle. At the completion of the curing cycle, the moulds were opened manually and the product removed. For these products, the direct labour content could be significant since the operation was labour-paced.
The products also varied widely in terms of assembly and testing time required. On the one hand, the company manufactured paediatric syringes used in the care of premature infants. These syringes required extensive attention to quality control and a considerable amount of manual assembly in a âclean roomâ.
On the other hand, the company also manufactured wheel chocks that required only a cursory inspection and no assembly. The other products produced by BP varied between these two extremes.
In addition to the product costing complications caused by the wide mix of manufacturing, assembly and testing requirements, there were difficulties caused by the machines. Typical of the industry, the machines used at BP differed widely in terms of their reliability and their performance when producing different products. A machine problem meant that the machine would have to be stopped and reset.
Because the machine stoppages were highly unpredictable, incorporating a normal or average machine failure cost into the product cost was difficult.
On the other hand, the materials, assembly and testing costs of most products were well understood since each of these costs could be measured with reasonable accuracy. Materials costs could be estimated by the weight of the final product since the materials in most defective products could be reused. The assembly and testing operations involved the use of machines that were both highly reliable and labour- paced. These difficulties and the costing issues were all on Michaelâs mind as he considered the milk crate contract.
THE MILK CRATE CONTRACT
Dairies in eastern Canada used plastic crates to ship milk cartons from the dairies to the stores. The annual sales volume of milk crates in the local region was about 30 000 units. Dairies merged their orders for crates through the Dairy Council in order to take maximum advantage of possible quantity discounts.
Michael had been asked to submit a bid on an initial order of 150 000 units. It was clear in Michaelâs mind that a successful initial bid would give BP a competitive advantage in future orders.
Michael felt that the successful bid price for these crates would be â$3.00 plus or minus ten cents. Michael had been approached by the customer several times and felt that BPâs reputation for quality would ensure that a $3.00 bid would be successful. As a result, estimating the bid price was not the major issue. The question to be resolved was whether or not, given its cost structure, $3.00 could cover BPâs cost for producing this product.
Discussions with Walt Roberts and Larry Bobbit, BPâs technical and production supervisors, suggested that the machine cycle time to produce this product would be 50 seconds per unit. The product would be produced in a stationary mould and would be automatically ejected at the rate of one every 50 seconds. As a result, Michael calculated that it would require 20831 hours of machine running time to fill the order. On the basis of his discussion with Walt Roberts, Michael expected that the rate of defective crates produced by this process would be negligible.
Following discussions with Larry Bobbit, Michael felt that during the machine cycle the time machine operator would have sufficient time to trim the excess plastic (flash) off the previous crate that had been made and stamp that crate with the particular dairyâs name. Based on BPâs experience, which was comparable to the industry average, Michael calculated that the moulding machine would run for only 60 per cent of the time that it was scheduled for operation. The rest of the time that it was scheduled for operation the machine would be down for repair, set-up or maintenance.
Consequently, Michael estimated that it would require 34722 hours of scheduled machine time to achieve the required 2083 hours of machine operating time. Since the operator would be required for most of the repair time, all the set-up time, and all the maintenance time, an operator would have to be scheduled for each hour of scheduled machine time. Michael decided that the production of the milk crates would be undertaken on BPâs 750-ton injection moulder. This would require that some of the production scheduled for that be rescheduled to other machines. Because BP currently had excess capacity available on other machines, Michael felt that the new order would not require sacrificing any production of any other products. The cost of a production mould used to manufacture the milk crates would normally be $90 000. However, the Diary Council already owned a suitable mould which they had agreed to lend to the successful bidder on the contract.
Each milk crate weighed 1.6 kilograms. Polyethelene would be used to produce the milk crate. The cost of polyethylene was $1.07 per kilogram. Michael felt that plastic trimmed off crates, or plastic in defective crates, could be reprocessed at a minimal cost. Consequently, the cost of raw material per crate was estimated as $1.71.3 Since the machine operators were paid $6.00 per hour (including benefits), the labour cost per crate was computed at $0.14.4
The materials cost to stamp the crates was estimated as $0.01 per side, yielding a total cost of $0.04 per crate. In addition, a stamping machine costing $5000 would have to be acquired. The life of this simple stamping machine was estimated as 10 years, at least. The crates did not require packaging for shipping and the Dairy Council paid for shipment. Michael estimated that the labour costs to load the crates on a truck at the factory door would be $0.02 per crate. As a result of these calculations, Michael believed that the direct variable cost of producing the milk crates would be $1.91 (1.71 + .14 + .04 + 02).
This still left the matter of the overhead associated with producing each milk crate. This issue had been a source of continuing concern to Michael on almost every contract he negotiated. Michael knew that a common ârule of thumbâ in his plant was to apply variable overhead to products at a rate of $13 for each machine hour (running time). An industry rule of thumb was to estimate total variable cost as being 1.3 times the direct material and direct labour costs5.
Some analysts also advocated looking at fixed, as well as variable, manufacturing overhead. Based on a recent study of BPâs costs, the corporate controller estimated that, on average, selling price must equal at least 2.33 times the sum of direct material and direct labour costs in order to earn average industry margins of 6 per cent (pre-tax) when operating at the industry average 90 per cent capacity utilization ratio (scheduled hours). Some comparative data on industry economics is summarized in Exhibit 2.
Michael wondered about the accuracy of any of these approaches in general and, in particular, he wondered if anyone was suitable in this situation. Michael looked at the ratio market price to the sum of direct material and direct labour cost for some of his more popular products and found that this ratio varied from two to seven. As a result, he wondered what, if anything, was the implication of the 2.33 factor.
As a guide to understanding the relationship between direct costs (material and labour) and fixed manufacturing overhead Michael developed the data that appear in Exhibit 3. The plant accountant advised Michael that plant fixed manufacturing overhead did not include direct materials, direct labour, variable overhead or plant supervision (about $50 000 per year).
In addition to manufacturing costs, BP was incurring about $220 000 per year in Selling, General and Administrative (S, G & A) expenses. Michael was not sure how to use Exhibit 3 to help him assign overhead cost to the milk crate order. The results did seem to indicate that overhead was virtually unrelated to the level of output in the factory. The results thus did seem to support âcontribution margin pricingâ policy. Michael was still unsure, however, as to how he should approach this large incremental order. He observed to the case writer: âIf I only knew my cost structure better, I would feel more confident about what Iâm doing. Right now I feel that I am shooting in the dark.â When operating near capacity, BP shows up as the High CM/High fixed cost/high profit player. But note that the profit impact (Profit % of Sales) of BPâs apparent strategy only shows up near full capacity. High volume is a key to high profit for BP.
To explore the casual relationships reflected here, Michael developed the following four linear regressions:
QUESTIONS:
1. Based on your interpretation of Exhibit 3, what is your estimate of the change in âPFMOHâ cost if the factory was to run one extra batch of 150 000 milk crates?
2. What is your estimate of the incremental cost per unit for one batch of 150 000 milk crates?
3. What does Exhibit 2 suggest would be a ânormalâ price for milk crates for an âaverageâ job shop? What does this suggest about the $3.00 price which seems to prevail at the time of the case?
4. What is the âstrategically relevantâ cost per unit for milk crates (for purposes of deciding whether or not the $3.00 âmarket priceâ is profitable, on an ongoing basis)?
5. What is your advice to Mr Smith regarding the milk crate opportunity? Be specific and show the calculations supporting your advice.
6. What overall strategic advice do you have for Mr Smith? Why isnât the business doing better, given the new âspecialities strategyâ and good business conditions? Support your answer with relevant cost analysis.
EXHIBIT 1 Estimated income statement (2017) Given Sales $1200 (1/2.33 = 43% of Sales (15 000 x $13) Direct materials plus direct labour (515) (195) (16% of Sales) 490 Variable overhead Contribution margin (CM) Fixed overhead (205 + 220 + 50) (475) $15 (Just above break even) Profit before taxes EXHIBIT 2 Industry economics At 'normal capacity (90% utilization) Average At full capacity BP Average BP Sales 100% 100% 100% 100% DM + DL 57 43 57 43 Variable overhead 17 16 17 16 Fixed overhead 20 35 18 31.5 Profit before taxes 6% 6% 8% 9.5% EXHIBIT 3 Cost and activity data Drect Labour Indirect labour Total hours Plant xod machine Hours (production, assembly, testing maintenance) (seHup, repair, and time) hours (running (PFMOH) Manutacturing overhead Year Month 1 679 2 298 3 785 2 646 2 606 2 661 1 885 1 775 1 800 1 643 1 848 1 274 1 182 1 003 1 351 1 837 1 533 January 1 305 3 536 February 863 17 196 March 991 13 462 April 1 287 1 686 1 505 938 4 194 May 15 958 ... 2015 June 7 644 July 1 670 3 530 1 844 1 839 2 088 1 337 1 343 1 295 1 743 1 416 15 709 7 073 August September 6 094 October 10 072 November 2 330 4 173 6 078 99 010 December 1.434 601 Total 26 80 18 321 1 694 1 701 1 019 933 1 532 1 192 1 276 1 104 1 128 3 811 January February 4 712 11 325 1 161 6 572 10 063 March 2 103 917 1 756 April Мay 1211 2 184 1 249 1 625 1 775 2016 June 890 829 July August Septomber 1 256 1 728 1 337 1 278 1 095 7 621 11 C28 2 007 1 824 1 788 1 471 1 313 15 207 2 094 15 198 2 178 October November 1503 1 868 1 751 4 €90 9 484 5 €15 91 280 2 992 December 2 079 Total 24 188 16 290 1 899 1 567 1 723 January 2 714 1 922 1 328 1 683 1 157 1 443 1 434 1 948 18 293 February March 2 240 15 733 2 275 39 988 1 737 1 547 1 389 3 033 9 358 Аprl 954 May 654 2017 June 634 20 168 1 735 1 005 10 171 July 2 394 16 308 August 990 856 14 267 Subtotal" 15 286 11 751 137 146 -23 000 -17 500 -15 000 -205 C00 *amuslized for 2017 (12/9 t-statistic 1. (PFMOH) versus Machine Hours (MH): PFMOH = $3681 + ($4.86 x MH) PFMOH versus Direct Labour Hours (DLH): PFMOH = $4321 + ($2.85 x DLH) 0.07 1.48 2. 0.04 1.15 3. PFMOH versus Indirect Labour Hours (ILH): PFMOH = $1684 + ($6.25 x ILH) 0.07 1.49 4. PFMOH versus MH and DLH: PFMOH = -$79 + ($2.89 x MH) = ($1.87 x DLH) 0.09 0.70/0.81
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> Modern day aircraft are complex pieces of engineering, increasingly using more technology, composite materials and more efficient engines. Aircraft engines are in particular improving not only in fuel efficiency, but also in range, thus contributing to l
> South African energy and chemicals company Sasol, like many companies dealing with large-scale projects, needs to prepare cost estimates. Sasol specialize in high value liquid fuels, chemicals and low-carbon electricity. In 2014, the company decided to i
> In the March 2012 edition of CIMA’s Financial Management journal, Christian Doherty asks what will management accountants ten years on be grappling with? This question has been posed before (see, for example, Scapings et al., 2003) and technology is a fa
> According to a US Congressional enquiry, this accident apparently partly resulted from local decisions within the oil multinational BP and its contractors to save relatively immaterial costs by cutting corners in oil exploration safety measures (National
> As one of the pioneers in the low-cost airline market, easyJet’s business model includes some core values: ● Safety – Our number one value, sitting at the core of everything we do. ● Pioneering – We challenge to find new ways to make travel easy and affo
> Insteel Industries decided to implement ABM at the Andrews, South Carolina, plant. The ABM team analysed operations and identified 12 business processes involving a total of 146 activities. The ABM study revealed that the 20 most expensive activities acc
> Taylor, Woods and Cheng Ge Fang (2014) reported on how one UK company moved its target costing system away from profit targets and focused it on product-level economic value added (EVA(TM)) targets. The company, which used the pseudonym Electronics for c
> Management accounting combines accounting, finance and management with the leading-edge techniques needed to drive successful businesses. Chartered management accountants: ● Advise managers about the financial implications of projects. ● Explain the fina
> Following events of September 2001, airport security screening in the US and globally increased dramatically. As we all know, this led to increasing queues at airports which while inconvenient, are paramount to the safety and security of passengers. Sin
> As a result of the recent financial troubles at Tesco its shares declined to an 11-year low in 2014. Terry Smith, chief executive of investment house Fundsmith, stated in an article published in The Financial Times that investors had long ignored warning
> An article by Chen et al. (2015) published in Strategic Finance described how Zhongyuan Special Steel Co. (ZYSCO), a typical Chinese state-owned company, introduced a new strategic management system that would integrate its value creation strategy into e
> Southwest Airlines set ‘operating efficiency’ as its strategic theme. The four perspectives embodied in the balanced scorecard were linked together by a series of relatively simple questions and answers: Financial: Wha
> The Globe and Mail (Canada) quotes an article written by Professor Pietro Micheli in Industry Week in which he listed seven myths about performance management that promote the wrong behaviours. The following is a summary of these myths: Myth 1: Numbers
> Across Europe, just how much – or little – US multinational firms are paying in taxes is coming under intense scrutiny according to an article published in the Washington Post. Most of the investigations revolve around the issue of ‘transfer pricing’, wh
> According to an article in the Financial Times the UK tax authority (HMRC – HM Revenue & Customs) raised £1.1bn from challenging the pricing of multinational companies’ internal deals in 2013–14 – more than twice as much as in the previous year. The incr
> Medical devices are normally associated with use by hospitals and medical practices. Some devices are used by normal consumers and, according to an article on the Medical Device and Diagnostic Industry website (www.mddionline.com), are proliferating. The
> Teva Pharmaceutical Industries Ltd reorganized its pharmaceutical operations into decentralized cost and profit centres. Teva proposed a transfer pricing system based on marginal costs. But the proposed transfer pricing system generated a storm of contro
> The financial mission of a company should be to invest and create cash flows in excess of the cost of capital. If an investment is announced that is expected to earn in excess of the cost of capital, then the value of the firm will immediately rise by th
> From Real World View 19.1, you know that Siemens operates in many countries and has quite a diverse product offering. With such complex and broad operations, there are many factors that can affect the performance of a business sector or division. In its
> German global company Siemens AG had a turnover of almost €76 billion in 2015, recording a profit after taxes of €7.4 billion, according to its annual report. The company operates globally, with 351 000 employees globally. Siemens is a diverse organizati
> A distinguishing feature of today’s digital technology is that it is characterized by zero (or near-zero) marginal costs. Once you’ve made the investment needed to create a digital good, it costs next to nothing to roll out and distribute millions of cop
> In a BBC documentary called Power to the People, Michael Portillo visited a ‘You Decide’ session organized by the local council in Tower Hamlets, London. At this session, local people decide what is to be done with £250 000 of council money. They are giv