02.07-PR015 Develop a single spreadsheet that allows you to (1) calculate the effective annual interest rate given the nominal annual interest rate and the number of compounding periods per year, and (2) calculate the nominal annual interest rate given the effective annual interest rate and the number of compounding periods per year. Use the “control panel” approach that allows you to enter whatever numbers you need to perform the calculation. Keep this handy. It will be useful to you.