For the following numerical problem, show the steps you used to arrive at your answer and provide your answer.

Dwight's weekly sales of copy paper at Dunder Mifflin are in the table below.

Compute a two$-$period moving average $(2$MA$)$ and a three$-$period moving average $(3$MA$)$ for weeks $4,5,$ and $6($round to two decimal places$).$

$\backslash$table$[[$Week$,$Sales $($cases$),2$MA$,3$MA$],[1,17,,],[2,21,,],[3,27,,],[4,32,,],[5,19,,],[6,18,,]]$

Using your forecasts above, based on an MAPE comparison is the $2$MA or the $3$MA more accurate? Briefly explain.