A Firm's Demand Data from the Last Two Quarters Is

Multiple Choice

A firm's demand data from the last two quarters is displayed in the table. Use a three period weighted moving average with W_t = 0.7, W_t-1 = 0.2, and W_t-2 = 0.1 to forecast demand for July. $$\begin{array} { | c | c | } \hline \text { Month } & \text { Demand } \\\hline \text { January } & 154 \\\hline \text { February } & 148 \\\hline \text { March } & 214 \\\hline \text { April } & 180 \\\hline \text { May } & 225 \\\hline \text { June } & 246 \\\hline\end{array}$$

A) 235.2
B) 195.6
C) 158.8
D) 180.4