Using the time series data in the table, respond to the following items. Period Sales Predicted Sales Absolute Error Period Sales 1,003 1, 120 1 $1, 003 841 1, 129 1.044 1,012 841 4 1, 044 1, 012 6 703 682 712 9 646 10 586 11 909 12 469 d-2. What is the MAD? (Round your answer to 2 decimal places.) 13 566 14 488 15 68 8 16 675 d-3. What is the trend equation based on the regression analysis? (Round 17 303 your answers to 2 decimal places.) 18 381 d-1 Compute all possible forecasts using a trend forecasting model using e. What is the predicted annual change of industry sales? (Round your answer simple linear regression? (Round your answers to 2 decimal places.) to 2 decimal places.) f. Predict sales for the next three periods. (Round your answers to 2 decimal places.)