Can you help me solve this practice problem?

If the nominal interest rate is 4.00 percent, what is the effective interest rate per year? Express your answers as a percentage (i.e., 5.00% should be entered as 5.00) and round to the nearest hundredth. (a) (2 pts.) compounding annually? (b) (2 pts ) compounding quarterly (once every 3 months)? (c) (2 pts ) compounding monthly? (d) (2 pts ) compounding dally? (e) (2 pts) compounding continuously