3. During the last 4 months two different forecasting models resulted as below compared to actual values. Which method is more accurate using.MAD? Show all the work \begin{tabular}{|l|l|l|l|} \hline Monith & Actual & Model 1 & Model 2 \\ \hline 1 & 25 & 28 & 34 \\ \hline 2 & 30 & 29 & 30 \\ \hline 3 & 22 & 25 & 23 \\ \hline 4 & 36 & 28 & 33 \\ \hline \end{tabular}