Donut King tracked sales for $2$ weeks. Sales data is in the following table.

Day Mo Tu We Th Fr Sa Su Mo Tu We Th Fr Sa Su

Sales $157234132219171268177250249212246239289267$ Develop forecast for days $5-14$ with a $3-$day weighted moving average in which sales for the most recent day are given a weight of $3$ and sales in the previous $2$ days are given a weight of $2$ and $1.($Wt$-1=3,$ Wt$-2=2,$ Wt$-3=1).$ What is MAD?