Use a three$-$period moving average to determine the forecast for period $11$ and calculate the MAPE for the following data set: $(4$pts$)$

Period $($t$)$

Actual Data

Forecast

$1$

$62$

$2$

$63$

$3$

$60$

$4$

$69$

$5$

$52$

$6$

$57$

$7$

$55$

$8$

$65$

$9$

$53$

$10$

$62$

$11$