Wamaco Corporation uses the same simple exponential smoothing forecasting model for all of its products. The model has yielded the following weekly forecasts: Week: Product 1 forecast: Product 1 sales: Product 2 forecast: Product 2 sales: 1 2. 5 6 11.0 11.2 13.3 14.2 13.5 13.1 12.0 11.0 12.0 11.0 14.0 103.0 102.6 199.3 106.1 105.9 104.5 102.0 104.2 105.0 103.2 106.0 11.0 13.0 PpictureClick here for the Excel Data File a. What value of a is Wamaco Corp using in its forecasting model? Consider only data from Periods 18 2. (Round your answers to 1 decimal place.) Answer is not complete. a Value 0.2 Product 1 Product 2 b. Calculate the forecast for period 7 for product 1 and product 2 using the rounded smoothing constant values from Parta (Round your intermediate calculations and final answers to 1 decimal place.) Forecast Product 1 Product 2 c-1. Using the first six periods of data, calculate the Bias (MFE), MAD, MPE, and MAPE. (Negative answers should be indicated by a minus sign. Round your intermediate calculations and final answers to 1 decimal place.) Product 1 Product 2 MFE MAD MPE MAPE % % % % c-2. Does the forecasting model provide about the same bias and accuracy for both products? Yes No