Not really sure how to do this probelm and enter it in this excep spreadsheet.

Relevant Information Annual Interest Rate Periods Per Year Number of Years Needed Information Present Value Future Value Payment Rate Number of Periods Additional Calculations (if needed) Answer: 10) At her son's graduation four years from now, Luanne wants to give a $5,000 gift. If she already has $500 in her savings account and plans to save the rest in an annuity that yields either a) 8.5% annual interest b) 9.25% annual interest c) 11% annual interest, how much will she have to deposit in her savings account at the beginning of each month (assume monthly compounding) for each case in order to reach her goal