Analytical Modeling $$ Demand Forecasting Problem

Weekly demand figures for supply chain management books at the UNT bookstore

are as follows:

Week Demand $($units$)$

$1220$

$2218$

$3220$

$4226$

$5198$

$6221$

$7198$

$8204$

$9214$

$10204$

$11194$

$12193$

Estimate demand for the next $8$ weeks using a $4-$week Moving Average and the

Multiplicative Time$-$Series Static demand forecasting method.

$$ Evaluate the MAPE for each forecasting method.

$$ Which of the two demand forecasting methods do you prefer? Why?