$($Solving a comprehensive problem$)$ Use the end$-$of$-$year stock price data in the popup window, to answer the following questions for the Harris and Pinwheel companies.

a$.$ Compute the annual rates of return for each time period and for both firms. any dividends.$)$

c$.$ Compute a three$-$year rate of return spanning the entire period $($i$.$e$.,$ using the ending price for period $1$ 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: tvpe of averace rate of return $($arithmetic or aeometric$)$ should vou use? Whv$?$