For the following data set, determine the forecasts using the Holt$$s method.

Year, Qtr Period

t Demand

Dt

$01,218,000$

$01,3213,000$

$01,4323,000$

$02,1434,000$

$02,2510,000$

$02,3618,000$

$02,4723,000$

$03,1838,000$

$03,2912,000$

$03,31013,000$

$03,41132,000$

$04,11241,000$