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 (|Errorl/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.)