Period Demand $3$ Period Moving Average Error Absolute Deviation Absolute Percent Error "RSFE

$($@ each period$)"$ "MAD

$($@ each period$)"$ "Tracking Signal

$($@ each period$)"4$ Period Moving Average Error Absolute Deviation Absolute Percent Error "RSFE

$($@ each period$)"$ "MAD

$($@ each period$)"$ "Tracking Signal

$($@ each period$)"$

$1795$

$2890$

$3925$

$4880$

$5850$

$6910$

$7915$

$8780$

$9900$

$10805$

$11835$

$12875$

$13855$

$14920$

$15895$

$16$ Which forecast is the "best" $($the three$-$period or four$-$period moving average method$)?$ Provide a justification for your answer in terms of measures of forecast accuracy AND bias.