Zeus Computer Chips, Incorporated used to have major contracts to produce low-density memory chips. The market has been declining during the past three years because of the new high-density chips, which it cannot produce, so Zeus has the unpleasant task of forecasting next year. Here is the demand over the past 12 quarters: QUARTER DEMAND QUARTER DEMAND QUARTER 4,790 1 5 3,495 9 3,495 2,795 10 6 7 3,495 4,295 11 3,195 8 2,495 12 2 3 4 Use regression and seasonal indexes to forecast the demand for the next four quarters. Note: Round your intermediate calculations and final answers to 2 decimal places. Period 13 14 15 16 DEMAND 3,195 2,195 2,795 1,795 Forecast (Units)