What Is the Forecast for the Period 7 Using a 3-Period

Multiple Choice

What is the forecast for the Period 7 using a 3-period moving average technique, given the following time-series data for six past periods? $$\begin{array} { | l | l | l | l | l | l | l | } \hline \text { Period } & 1 & 2 & 3 & 4 & 5 & 6 \\\hline \text { Value } & 136 & 126 & - 146 & - 148 & - 156 & 164 \\\hline\end{array}$$

A) 164.67
B) 156.00
C) 148.00
D) 126.57
E) 158.67