$5-17$ Data collected on the yearly demand for $50-P{O}_n$ bags of fertilizer at Wallow in the following table. Develop a $3-$year moving are sh age to forecast sales. Then estimate demand aver. with a weighted moving average in which sales in ain most recent year are given a weight of $2$ and sale the the other $2$ years are each given a weight of $1.$ Wh in method do you think is better?

$\backslash$table$[[$YEAR$,\backslash$table$[[$DEMAND FOR FERTILIZER$],[$ OF BAGS