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 (3) annually, (b) ' monthly, (c) daily, and (d) continuously. Then nd (e) the doubling time T for the given interest rate. I P=$80,000, r=4.1%, i=6 yr a) The future value of the investment when interest is compounded annually is $I:. A (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 31. (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 $ . I} (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 $D. (Type an integer or a decimal. Round to the nearest cent as needed.) e) Find the doubling time for the given interest rate. T=:]yr n