The Trend Equation for Annual Sales Data (In Millions of Dollars)is

Multiple Choice

The trend equation for annual sales data (in millions of dollars) is $\tilde { y } _ { t }$ = 65 + 2.5t,where t = 1 for 2011.The monthly seasonal index for December is 0.97.The forecasted sales' value for December of 2020 is:

A) 90.0
B) 7.28
C) 7.50
D) 7.69