a. Using PV of an Ordinary Annuity of $1 indicate which rate and time period you would use in order to select the correct interest factor for the following situations. In addition, indicate the interest factor that would be used. (Enter the interest factors to five decimal places.) Annual Rate Time Period Rate to Use Time Period to Use Interest Factor 4% 10 Compounded Interest Annually Semiannually Quarterly % 8 8% 12% % 5 %