Use for the following $3$ questions:

City of Bridgeport, Connecticut, is attempting to forecast revenues coming from traffic citations. The data for the last $8$ months are provided below.

$1$

$2$

$3$

$4$

$5$

$6$

$7$

$8$

$601$

$629$

$587$

$545$

$572$

$610$

$634$

$660$

Forecast the number of traffic citations for Period $9$ utilizing an exponential smoothing model with an $\backslash$alpha equal to $\mathrm{.}3.($Assume a first$-$month forecast equal to the actual value for month $1$ and round answer to nearest $1$ decimal$)$ Determine the mean absolute deviation for the exponential smoothing model for months $1-8.($Assume a first$-$month forecast equal to the actual value for month $1$ and round answer to nearest one decimal.$)$