Given the following historical demand, what is the Exponential Smoothing

Forecast $($Smoothing Constant Alpha $=0\mathrm{.}3)$ for Week $4,$ given that the Forecas

in Week $1=1100?$

Week $1=1000$

Week $2=1200$

Week $3=1400$

Week $4=$ Predict using the Exponential Smoothing Forecast $($Smoothing Constant Alpha $=0\mathrm{.}3)$