Answer:
a) Years
0 1 2 3 4
a) $100
b) $100 $100 $100
c)-$50 $100 $75 $50
b) What is the future value of an initial $100 after 3 years if it is invested in an account paying 10 percent annual interest?
future value = present value x (1 + interest rate)ⁿ = $100 x (1 + 10%)³ = $100 x 1.331 = $133.10
c) What is the present value of $100 to be received in 3 years if the appropriate interest rate is 10 percent?
present value = future value / (1 + interest rate)ⁿ = $100 / (1 + 10%)³ = $100 / 1.331 = $75.13