The old deseasonalized forecast is 100 units, a = 30, and the actual demand for thelast month was 180 units. If the seasonal index for the last month is 1.2 and the nextmonth is 0.8, calculate:a. The deseasonalized actual demand for the last month.b. The deseasonalized forecast for next month using exponential smoothing.c. The forecast of actual demand for the next month.

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