I figured out the first part, but I need help with part B

(Related to Checkpoint 5.6) (Solving for i) You are considering investing in a security that will pay you $3,000 in 31 years. a. If the appropriate discount rate is 10 percent, what is the present value of this investment? b. Assume these investments sell for $967 in return for which you receive $3,000 in 31 years. What is the rate of return investors earn on this investment if they buy it for $967? . a. If the appropriate discount rate is 10 percent, the present value of this investment is $ 156.30. (Round to the nearest cent.) b. The rate of return investors can earn on this investment if they buy it for $967 is %. (Round to two decimal places.)