Q$2$ Data collected on the yearly demand for $50-$pound bags of fertilizer at Wallace Garden Supply are shown in the following table. Develop a $3-$year moving average to forecast sales. Then estimate demand again with a weighted moving average in which sales in the most recent year are given a weight of $2$ and sales in the other $2$ years are each given a weight of $1.$ Which method do you think is better?

Year Demand for Fertilizer

$\backslash$table$[[1,4],[2,6],[3,4],[4,5],[5,10],[6,8],[7,7]]$