Given the Following Weekly Demand Figures,what Is the MAD at the End

Multiple Choice

Given the following weekly demand figures,what is the MAD at the end of week 5? $$\begin{array} { | l | l | l | } \hline \text { Week } & \text { Demand } & \text { Forecast } \\\hline 1 & 100 & 120 \\\hline 2 & 120 & 130 \\\hline 3 & 110 & 120 \\\hline 4 & 130 & 125 \\\hline 5 & 160 & 145 \\\hline\end{array}$$

A) 10.8
B) 11.8
C) 12.0
D) 13.0