1. Compound Interest To what amount will the following SAR investments accumulate? Solution

A) Investment 4,500 Years 5 Percent 7% FV =

B) Investment 9,200 Years 3 Percent 9% FV =

C) Investment 17,050 Years 8 Percent 11% FV =

D) Investment 925 Years 15 Percent 7% FV =

2. Present Value What is the present value of the following future amounts?

A) FV 3,550 Years 5 Percent 13% PV =

B) FV 250 Years 3 Percent 8% PV =

C) FV 2,700 Years 5 Percent 9% PV =

D) FV 3,025 Years 7 Percent 15% PV =

3. Future Value Sales of a new business book were 15,500 copies this year and were expected to increase by 14 percent per year. What are expected sales during each of the next 3 years?

DATA Copies 15,500 Percent 13.5% Years 9 Solution

FV for 1st yr =

FV for 2nd yr =

FV for 3rd yr =

4. Present-Value Comparison Assuming you can earn 5 percent on your money, which of the following offers should you choose? SAR 950 today; SAR 11,000 in 13 years; or SAR 24,000 in 21 years?

Solution Percent 5% Years Amount PV A Today 950 B 13 12,500 C 21 24,000 Which offer should you choose and why?

5. Compound Annuity What is the accumulated sum of each of the following streams of payments?

a. SAR 1,100 a year for 5 years compounded annually at 7 percent

b. SAR 1,350 a year for 4 years compounded annually at 10 percent

c. SAR 225 a year for 3 years compounded annually at 9 percent

d. SAR 400 a year for 7 years compounded annually at 3 percent Solution

A) Pymt 1,100 Years 5 Percent 7% FV =

B) Pymt 1,350 Years 3.25 Percent 10% FV =

C) Pymt 225 Years 3 Percent 9% FV =

D) Pymt 400 Years 7 Percent 3% FV =

6. Compound Interest with Nonannual Periods

a. Calculate the future sum of SAR 5,500, given that the money will be held in the bank for 4 years at an annual interest rate of 3 percent.

b. Recalculate part a. assuming the interest rate is (1) an APR of 4 percent compounded semiannually and (2) an APR of 8 percent compounded bimonthly.

c. Recalculate parts a. and b. for an APR of 9 percent

d. Recalculate part a. using a time horizon of 14 years (the APR is still 3 percent). e. With respect to the effect of changes in the stated interest rate and holding periods on future sums in parts

c. and d., what conclusions do you draw when you compare these figures with the answers found in parts a. and b.? Solution

A) PV 5,500 Years 4 Percent 3% FV =

B) Semiannual 4 Bimonthly 8

C) Rate 9% Annual Semiannual Bimonthly

D) Years 14 Annual