irst, generate $4$ forecasts using the following methods: naive, simple mean method, $3$ period moving average, $2$ period weighed moving average $($with weights of $0\mathrm{.}8$ and $0\mathrm{.}2$ for the most recent and second most recent period, respectively. Anthony is in marketing, and he's very worried about being understocked, so he picks his favorite $2024$ forecast based on this worry. Bria, on the other$-$hand is really worried about big forecasting errors in either direction, and she picks her favorite $2024$ forecast using her preferred metric. What is the absolute difference in Anthony's favorite forecast and Bria's favorite forecast? Round to the nearest $M$.$ For example, if your answer is $$4\mathrm{.}39$M$,$ enter $4$ in the box.