Two different forecasting techniques $($F$1$ and F$2)$ were used to forecast demand for cases of bottled water. Actual demand and the two sets of forecasts are as follows:

PREDICTED DEMAND

Period Demand F$1$ F$2$

$1686362$

$2756661$

$3707370$

$4746571$

$5697173$

$6726973$

$7807076$

$8787280$

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a$.$ Compute MAD for each set of forecasts. Given your results, which forecast appears to be more accurate? $($Round your answers to $2$ decimal places.$)$