17. Suppose a person is 25 years of age now and plans to retire at age 65 . For the next 40 years they plan to invest a portion of their monthly income in securities which earn interest at the rate of 10% compounded monthly. After retirement the person plans on receiving a monthly payment (an annuity) in the ahsolute amount of $1500 for 30 years. How much should be set aside monthly for retirement. ( 4 points) 18. You are a student and would like to make a lump sum deposit so that you can withdraw $5,000 at the end of each quarter for 10 years. Find the lump sum if the money earns 10% per year compounded quarterly. (2 points)