Problem $18-8($Algo$)$

Actual demand for a product for the past three months was

Three months ago

Two months ago

Last month

$400$ units

$350$ units

$320$ units

a$.$ Using a simple three$-$month moving average, make a forecast for this month.

Note: Round your answer to the nearest whole number.

Forecast for this month

units

b$.$ If $290$ units were actually demanded this month, what would your forecast be for next month, again using a $3-$month moving average?

Note: Round your answer to the nearest whole number.

Forecast for the next month

units

c$.$ Using simple exponential smoothing, what would your forecast be for this month if the exponentially smoothed forecast for three months ago was $450$ units and the smoothing constant was $0\mathrm{.}30?$

Note: Round your answer to the nearest whole number.