please answer this question short answer is ok

FIRE is an acronym for Financially Independent Retire Early. You plan to save aggressively every month for the next 25 years earning 4.5 % compounded monthly. You will continue to earn the same returns during your retirement. You expect to be retired for 25 years. You expect to make monthly withdrawals of $4,600. a. How much must you have saved by the time you retire to meet your retirement withdrawals? b. What were your monthly deposits during the 25 years of saving