a) What is the present value of an annuity that pays $5,000 at the end of each year for 12 years, assuming a 15% rate?
b) What is the present value of an annuity that pays $5,000 at the beginning of each year for 12 years, assuming 15% rate?
c) Find the value of a perpetuity with $25,000 annual payments, assuming a 10% rate.
d) You received a loan that compounds 3% interest every 6 months. What is the APR ? What is the EAR?