(Related to Checkpoint 5.6) (Solving for ) You are considering investing in a security that will pay you $4,000 in 32 years. a. If the appropriate discount rate is 9 percent, what is the present value of this investment? b. Assume these investments sell for $697 in retum for which you receive $4,000 in 32 years. What is the rate of return investors eam on this investment if they buy it for $6977 W the appropriate discount rate is 9 percent, the present value of this investment is (Round to the nearest cent.)