Calculating the geometric and arithmetic average rates of return$)($Related to Checkpoint $7\mathrm{.}2$ on page $208)$ Marsh Inc. had the following end$-$of$-$year stock prices over the last five years and paid no cash dividends: Time Marsh $$101218410$ a$.$ Calculate the annual rates of return for each year from this information. b$.$ What is the arithmetic average rate of return earned by investing in Marsh's stock over this period? c$.$ What is the geometric average rate of return earned by investing in Marsh's stock over this period? which type of average rate of return $($the arithmetic or geometric$)$ better describes the average annual rate of return earned over the period?