Month Jan$-12$ Feb$-12$ Mar$-12$ Apr$-12$ May$-12$ Jun$-12$ Jul$-12$ Aug$-12$ Sep$-12$

Profit $($$$)5,350$

$5,103$

$4,824$

$4,437$

$5,080$

$5,358$

$5,819$

$6,091$

$5,837$

Step $4$ of $5$: What are the MAD, MSE and MAPE scores for the three$-$period weighted moving average forecast? Round any intermediate calculations, if necessary, to no less than six decimal places, and round your final answer to one decimal place.