Zeus Computer Chips, Inc., used to have major contracts to produce the Centrino-type chips. The market has been declining during the past three years because of the dual-core chips, which it cannot produce, so Zeus has the unpleasant task of forecasting next year. The task is unpleasant because the firm has not been able to find replacement chips for its production lines. Here is demand over the past 12 quarters: YEARS AGO UNITS YEAR UNITS YEAR UNITS 4,815 3,515 4,315 3,015 IV 3,510 2,715 3,515 2,415 3,215 2,116 2,695 1,695 IV Use the decomposition technique to forecast demand for the next four quarters. (Do not round intermediate calculations. Round your answers to 2 decimal places.) Period Forecast (Units)