MUP has the following sales data.

Week Sales

$132$

$235$

$356$

$485$

$595$

$645$

$765$

$874$

$973$

$1039$

a$)$ Forecast sales using the na$$ve method, a three$-$period moving average, and exponential smoothing with an $\backslash$alpha $=0\mathrm{.}35.$