An Individual Retirement Account (IRA) is an account in which the saver does not pay income tax on the amount deposited but is not allowed to withdraw the money until retirement. (The saver pays income tax at that point, but his or her tax bracket is much lower then.) Marlene Silva wishes to have an IRA that will be worth $100,000 when she retires at age 65. (Round your answers to the nearest cent.) (a) How much must she deposit at age 36 at 7 3 8 % compounded semi-monthly? $ (b) At age 65, she arranges for the interest to be sent to her. How much will she receive during each half-month compounding period? (You may assume half a month is 15 days) $