Problem $13-13($LO$13\mathrm{.}4)$

Over a four$-$year period, LaKeisha Thompson purchased shares in the Oakmark Investor Class Fund. Using dollar cost averaging, calculate the number of shares before completing this problem. $($Round your answers to the nearest whole number.$)$

$\backslash$table$[[$Year$,$Investment Amount,Price per Share,Number of Shares,,$],[$February $2017,$$$,2,300,$$$,44\mathrm{.}00,],[$February $2018,$$$,2,300,$$$,25\mathrm{.}00,],[$February $2019,$$$,2,300,$$$,38\mathrm{.}40,],[$February $2020,$$$,2,300,$$$,46\mathrm{.}00,]]$

a$.$ At the end of four years, what is the total amount invested?

Total investment