Additional Problem $03-04($Algo$)$

The table below shows actual and forecasted numbers of accounts serviced by a company. Compute MAD, MSE, and MAPE for the following data, showing actual and forecasted numbers of accounts serviced. $($Enter whole number values in the table below for Error, $|$Errorl$,$ and Error ${?}^{{?}^{{?}^{?}}}2.$ Round the $($IErrorl$/$Actual$)100$ to three decimals. Enter $0$ where necessary, do not leave any cells blank. Negative values should be indicated with a minus sign, i$.$e$.-2.$ Round MAD, MSE and MAPE to $3$ decimal places.$)$