Problem $5)8$ Points $(-\frac{2}{?}$ error$)$

ABC Company regularly evaluates the accuracy of its current forecasting technique by determining

Mean Absolute Percent Error $($MAPE$).$ Use the data below to determine the MAPE value for the

forecasts for Weeks $1$ through $5.$ Show work in the table below and round calculations $(\%)$ and final

answer $(\%)$ for MAPE to two decimal points, e$.$g$.,12\mathrm{.}99\%.$