Actual demand for a product for the past three months was Three months ago Two months ago Last month 350 units 300 units 275 units a. Using a simple three-month moving average, make a forecast for this month. (Round your answer to the nearest whole number.) b. If 250 units were actually demanded this month, what would your forecast be for next month, again using a 3-month moving average? (Round your answer to the nearest whole number.) Forecast for the next month units c. Using simple exponential smoothing, what would your forecast be for this month if the exponentially smoothed forecast for three months ago was 425 units and the smoothing constant was 0.30? (Round your answer to the nearest whole number.) Forecast for this month units