The manager of a utility company wants to develop quarterly forecasts of power loads for the next year. The power loads are seasonal, and the data on the quarterly loads in megawatts (MW) for the last four years are as follows:

The manager has estimated the total demand for the next year at 780 MW. Use the multiplicative seasonal method to develop the forecast for each quarter.

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YEAR QUARTER 1 QUARTER2 QUARTER 3 QUARTER 4 103.5 126.1 144.5 166.1 94.7 116.0 137.1 152.5 118.6 141.2 159.0 178.2 109.3 131.6 149.5 169.0