Grady Zebrowski, age 25, just graduated from college, accepted his first job with a $40,000 salary, and is already looking forward to retirement in 45 years. He assumes a 2.5 percent inflation rate and plans to live in retirement for 20 years. He does not want to plan on any Social Security benefits. Assume Grady can earn an 8 percent rate of return on his investments prior to retirement and a 6 percent rate of return on his investments post-retirement to answer the following questions