Questions from Business Mathematics


Q: A restaurant owner sets her menu prices at a predetermined percentage of

A restaurant owner sets her menu prices at a predetermined percentage of her input costs for food, ingredients, and beverages. The second column of the following table shows the prices as a percentage...

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Q: Lisa is offered a loan from a bank at 7.2

Lisa is offered a loan from a bank at 7.2% compounded monthly. A credit union offers similar terms, but at a rate of 7.4% compounded semiannually. Which loan should she accept? Present calculations th...

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Q: Craig can buy a three-year compound interest GIC paying 4

Craig can buy a three-year compound interest GIC paying 4.6% compounded semiannually or 4.5% compounded monthly. Which option should he choose? Present calculations that support your answer.

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Q: Camille can obtain a residential mortgage loan from a bank at 6

Camille can obtain a residential mortgage loan from a bank at 6.5% compounded semiannually, or from an independent mortgage broker at 6.4% compounded monthly. Which source should she pick if other ter...

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Q: ABC Ltd. reports that its sales are growing at the rate

ABC Ltd. reports that its sales are growing at the rate of 1.3% per month. DEF Inc. reports sales increasing by 4% each quarter. What is each company’s effective annual rate of sales growth?

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Q: What is the effective interest rate corresponding to a nominal annual rate

What is the effective interest rate corresponding to a nominal annual rate of: 1. 7.5% compounded semiannually? 2. 7.5% compounded quarterly? 3. 7.5% compounded monthly?

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Q: Columbia Trust wants its annually, semiannually, and monthly compounded five

Columbia Trust wants its annually, semiannually, and monthly compounded five-year GICs all to have an effective interest rate of 5.75%. What nominal annual rates should it quote for the three compound...

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Q: Belleville Credit Union has established interest rates on its three-year

Belleville Credit Union has established interest rates on its three-year GICs so that the effective rate of interest is 7% on all three compounding options. What are the monthly, semiannually, and ann...

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Q: A department store chain currently charges 18% compounded monthly on its

A department store chain currently charges 18% compounded monthly on its credit card. To what amount should it set the monthly compounded annual rate if it wants to add 2% to the effective interest ra...

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Q: An oil company wants to drop the effective rate of interest on

An oil company wants to drop the effective rate of interest on its credit card by 3%. If it currently charges a periodic rate of 1.7% per month, at what amount should it set the periodic rate?

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