The following spreadsheet contains monthly returns for Cola Co$.$ and Gas Co$.$ for $2022$: $.$ Using these data, estimate the average monthly retum and the volatility for each stock.

The average monthly return for Cola $C{o}_0$ is

$\%.($Round to two decimal places.$)$

Data table

$($Click on the following icon $$ in order to copy its contents into a spreadsheet.$)$

$\backslash$table$[[$Date$,$Cola Co$.,$Gas Co$.],[$Jan$,6\mathrm{.}00\%,-1\mathrm{.}70\%$