The information shown in the table below represents the monthly operating profit generated by Takealot during the $2022$ financial year.INFORMATIONMonthJanFebMarAprMayJunJulAugSepOctNovDecOperating profit, R milliong$1422151917231820253426(20$ Marks$)3\mathrm{.}1.$ Compute the three$-$month weighted moving average $(3$MWMA$)$ forecasts for the April $2022$ to Jan $2023$ period, using weights of $0\mathrm{.}1,0\mathrm{.}3,$ and $0\mathrm{.}6($oldest data to newest data, respectively$)\mathrm{.}3\mathrm{.}2.$ Compute the four$-$month weighted moving average $(4$MWMA$)$ forecasts for the May $2022$ to Jan $2023$ period, using weights of $0\mathrm{.}1,0\mathrm{.}2,0\mathrm{.}3,$ and $0\mathrm{.}4($oldest data to newest data, respectively$).$