The following information is for Questions 30-33 A fim's demand data from the last two quarters is displayed in the table. Month January February March April May Junc Demand 154 148 214 210 225 246 30. What is the forecast for July's demand if using the three period moving average? A 172 B 218 C. 227 D. 240 31. Use a three period weighted moving average to forecast July's demand with the weight for the previous month - 50%, two months ago = 20% and three months ago = 30%. A. 225.0 B. 231.0 C. 246.0 D. 77.0 32. What is the forecast error (FE) for January if using a last period forecasting technique? A. 200 B. 154 C. 246 D. The forecast error cannot be calculated 33. What is the forecast error (FE) for June if using a three-period moving average? A. -9.3 B. -29.7 C. 29.7 D. The forecast error cannot be calculated