Period Demand

$112$

$222$

$325$

$435$

$520$

$623$

$726$

$818$

Forecast the demand for Period $9$ using exponential smoothing with trend adjustment. Set alphaequals$0\mathrm{.}2$ and betaequals$0\mathrm{.}6.$

The forcasted demand for period $9$ is

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enter your response here.

$($Round to one decimal place as$$ needed.$)$