You recently paid $13,500 for an investment that promises to pay$675 at the wns of the next 6 ueqrs, then additional lump sum payment of $15,500 at the end of the 6th year. What is expected rate of return on this investment?

a. 8.9%

b. 8.0%

c. 9.5%

d. 10.2%

e. 7.1%