Assume you are told that by investing $100,000 now, you will receive $10,000 per year starting in year 5 and continuing forever. If you accept the of- fer, the rate of return on the investment is:

a. 4% per year

b. between 6% and 7% per year

c. between 7% and 10% per year

d. over 12% per year

Please explain your answer