Given the following historical data and weights fo $\mathrm{.}5$ for period $4,\mathrm{.}3$ for period $3,$ and $\mathrm{.}2$ for period $2,$ what is the three period weighted moving average forecast for period $5?$

period demand

$1138$

$2142$

$3148$

$4144$

Question $41$ options:

$144\mathrm{.}20$

$144\mathrm{.}80$

$143\mathrm{.}00$

$144$