Instruction: Please use weighted moving average method $(4$ periods$)$ to forecast the demand

for peirods $5-13$

Weighted Moving Average Forecast $(4$ periods$)$

Description Weight

Fourth most recent period $0\mathrm{.}1$

Third most recent period $0\mathrm{.}3$

Second most recent period $0\mathrm{.}2$

Most recent period $0\mathrm{.}4$

Total $1$

Period Actual DemandForecast

$11,200$

$22,200$

$32,000$

$41,300$

$52,500$

$63,500$

$73,300$

$83,200$

$94,300$

$104,800$

$114,400$

$124,300$

$13$