The Business Analyst for Video Sales, Inc What Is the Forecast for This Year Using Trend-Adjusted (Double)

Multiple Choice

The business analyst for Video Sales, Inc. wants to forecast this year's demand for DVD decoders based on the following historical data: $$\begin{array} { | c | c | } \hline \text { Year } & \text { Enrollments } \\\hline 5 \text { Years ago } & 900 \\\hline 4 \text { Years ago } & 700 \\\hline 3 \text { Years ago } & 600 \\\hline 2 \text { Years ago } & 500 \\\hline \text { Last Year } & 300 \\\hline\end{array}$$
What is the forecast for this year using trend-adjusted (double) smoothing with alpha = .3 and beta = .2, if the forecast for last year was 310, the forecast for two years ago was 430, and the trend estimate for last year's forecast was -150?

A)  162.4
B)  180.3
C)  301.4
D)  403.2
E)  510