Month Demand

$145$

$248$

$343$

$448$

$549$

$654$

$747$

$850$

$946$

$1047$

Using the table above, calculate two forecasts using the following method:$-$

i$.$ First, for periods $4$ through $10,$ develop the exponentially smoothed forecasts

using a forecast for period $3($F$3)$ of $45\mathrm{.}0$ and an alpha of $0\mathrm{.}4.$