An Electric Company approximates its demand trend line (in millions of the kilowatt hours) to be D = 79 + 0.52 Q, where Q refers to the sequential quarter number and Q=1 for winter 2000. In addition, the multiplicative seasonal factors are as follows:
|
Quarter
|
Index
|
|
Winter
|
0.8
|
|
Spring
|
2.2
|
|
Summer
|
2.1
|
|
Fall
|
0.7
|
Forecast energy employ for Spring of the 2,008. Identify as a whole number by rounding.