Your father paid $10,000 (CF at t=0) for an investment that promises to provide $750 at the end of each of the next 5 years, then an additional lump sum payment of $11,500 at the end of the 5th year. What is the expected rate of return on this investment? (Hint: use trial and error if you don't have a financial calculator) Select one: O a. 9.96% O b. 5.19% O c. 12.11% O d. 10.42% O e. 10.86%