Last four weekly sales of Soup City were 80, 100, 105, and 90 units, respectively. The last four forecasts from Demand Planner, Vinny (for the same four weeks) were 60, 80, 95, and 75 units, respectively. 1. Calculate the MAD 2. Calculate the MSE 3. Calculate the MAPE Those 4 forecasts from Tommy, after purchased a new forecast software (for the same four weeks) were 63, 78, 91, and 69 units, respectively. 1. Calculate the MAD 2. Calculate the MSE 3. Calculate the MAPE 4. Who has a better forecast 5. Did the purchased software produce a better forecast