b Find the interest Periodic Deposit Rate 2000 at the end of every three months 5 75 compounded quarterly Click the icon to view some finance formulas Time 4 years a The value of the annuity is Do not round until the final answer Then round to the nearest dollar as needed Formulas In the provided formulas P is the deposit made at the end of each compounding period r is the annual interest rate of the annuity in decimal form n is the number of compounding periods per year and A is the value of the annuity after t years P 1 r 1 nt 1 P P A n nt