$21.$ Arithmetic and Geometric Returns A stock has had the following year$-$end prices and dividends:

$\backslash$table$[[$Year$,$Price,Dividend$]$

Year $|$ Price $|$ dividend

$1|$ $$64\mathrm{.}12|-$

$2|68\mathrm{.}13|1\mathrm{.}15$

$3|61\mathrm{.}23|1\mathrm{.}25$

$4|74\mathrm{.}27|1\mathrm{.}36$

$5|77\mathrm{.}38|1\mathrm{.}47$

$6|86\mathrm{.}19|1\mathrm{.}60$

What are the arithmetic and geometric average returns for the stock?