Calculate the MAPE $($mean absolute percentage error$)$ over the $6$ weeks of historical data using your forecasting model that you developed for the last question. Enter the MAPE value on a scale of $0$ to $100$ without the percent sign.$$

For example if you get a MAPE of $13\mathrm{.}53\%,$ simply enter $13\mathrm{.}53$

$$