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Error2 The table below shows actual and forecasted nubmers 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, IErrorl, and Error^2. Round the lErrorl/Actual to three decimals. Enter O 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.) A- Period Actual Forecast (Error|/Actual) Error F(Error) X 100 1 322 319 2 321 321 3 319 4 325 325 5 327 328 6 330 330 7 332 332 8 336 334 323 MAD MSE MAPE