Monthly demand at A&D Electronics for flat$-$screen TVs are

as follows:

Month Demand $($units$)$

$11,000$

$21,113$

$31,271$

$41,445$

$51,558$

$61,648$

$71,724$

$81,850$

$91,864$

$102,076$

$112,167$

$122,191$

Estimate demand for the next two weeks using simple exponential smoothing with a $=0\mathrm{.}3$ and Holt$$s model wi