Distribution of the purchase of the product per month: \begin{tabular}{|l|c|c|} \hline JAN & 5% & \\ \hline FEB & 10% & 10.500 \\ \hline MAR & 8% & \\ \hline APR & 6% & 8.400 \\ \hline MAY & 12% & 6.300 \\ \hline JUN & 13% & 12.600 \\ \hline JUL & 8% & 13.650 \\ \hline AUG & 10% & 8.400 \\ \hline SEP & 12% & 10.500 \\ \hline OCT & 7% & 12.600 \\ \hline NOV & 5% & 7.350 \\ \hline DEC & 4% & 5.250 \\ \hline & 100% & 4.200 \\ \hline \end{tabular} The calculated demand needs to be determined for 12 months. Based on this demand, the group needs to perform the following models: a. Moving Average with 2 months periods. b. Moving Average with 3 months periods. c. Weighted Moving Average (60%,30%,10%) d. Weighted Moving Average (75\%, 25\%) e. Each Model requires a Mean Absolute Deviation analysis. f. Determine which model should be used to project the next year volume