Given the information below regarding sales for the last $8$ months, complete the next $2$ questions:

$1.$ Using a $3-$month moving average, the forecast for month $9$ would be:

a$.420$

b$.393$

c$.427$

d$.356$

$2.$ Using an exponentially smoothed forecast using a $=0\mathrm{.}20,$ what is forecast in month $8?$

a$.300$

b$.334$

c$.357$