please help

(Solving a comprehensive problem) Use the end-of-year stock price data in the popup window. compantes Io answer the following questions for the Harris and Pinwheel a. Compute the annual rales of roturn for each time period and for both firms b. Calculate both the arithmetic and the geometric mean rates of return for the entire three-year period using your annual rates of return from part a (Nofe you may assume that neither firm pays any dividends) c. Compute a three-year rate of return spanning the entire period (i e, using the ending price for penod 1 and ending price for period 4) d. Since the rate of return calculated in part c is a three-year rate of return, convert it to an annual rate of return by using the following equation e. How is the annual rate of return calculated in part d related to the geometric rate of return? When you are evaluating the performance of an investrnent that has been held for several years, what type of average rate of return (arathetic or geometic) should you use? Whin? Data table a. Enter the annual rate of return for each year for Harnis in the table below. (Round to two decimal places.) Enter the annual rate of return for each year for Pinwheel in the table below (Round to two decimal places.) K. spound to lwo docinal ploces) Heind so favo demal places)