An investment of €10 000 grows to €14 800 in 10 years with annual compounding. Find the annual interest rate i in percent.
Time value of money worksheet with answers
A foundation wants to pay a prize of €1 000 at the end of every year, forever. The fund earns 4% interest per year. How much must be invested today? Find PV.
A credit card charges a nominal interest rate of 25% per year, compounded semi-annually. Find the effective annual rate EAR in percent.
You need €5 000 in 4 years. An account pays 3.6% per year, compounded quarterly. How much must you deposit today? Find the present value PV.
A loan of €200 000 is repaid with equal monthly payments over 30 years. The interest rate is 6% per year, compounded monthly. Find the monthly payment A.
You borrow €15 000 at 6% per year, compounded monthly, and repay €300 at the end of every month. How many months does it take until the loan is repaid (the last payment may be smaller)? Give the number of payments N.
Answer key
- 1. i = 3.998 %
- 2. PV = 25000 €
- 3. EAR = 26.56 %
- 4. PV = 4332 €
- 5. A = 1199 €
- 6. N = 58 payments
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