Assume you are now 21 years old and will start working as soon as you graduate from college. You plan to start saving for your retirement on your 25th birthday and retire on your 65th birthday. After retirement, you expect to live at least until you are 85. You wish to be able to withdraw $48,000 (in today's dollars) every year from the time of your retirement until you are 85 years old (i.e., for 20 years). The average inflation rate is likely to be 5 percent. Problem 6.42(a) Problem 6.42(b) Problem 6.42(c) Your answer is incorrect. Now answer parts a. and b. assuming the rate of return to be (i) 8 percent per year, and (ii) 15 percent per year. (Round answers to O decimal places, e.g. 1,525.) 8 percent Lump sum needed at age 65 $ Annuity payment needed $ $ 15 percent