An initial investment amount P. an annual interest rate r, and a time t are given. Find the future value of the investment when interest is compounded (a) annually, (b) monthly, (c) daily, and (d) continuously. Then nd (e) the doubling time T for the given interest rate. P = $28,000, r = 3.3%, t= 39 months ~-~--GED-''__" a) The future value of the investment when interest is compounded annually is $D. (Type an integer or a decimal. Round to the nearest cent as needed.) b) The future value of the investment when interest is compounded monthly is 3]]. " (Type an integer or a decimal. Round to the nearest cent as needed.) c) The future value of the investment when interest is compounded daily is $D. (Type an integer or a decimal. Round to the nearest cent as needed.) d) The future value of the investment when interest is compounded continuously is SD. (Type an integer or a decimal. Round to the nearest cent as needed.) 9) Find the doubling time for the given interest rate. T=Dyr (Type an integer or decimal rounded to two decimal places as needed.)