Problem 11-5 (Static) Manager T.C. Downs of Plum Engines, a producer of lawn mowers and leaf blowers, must develop an aggregate plan given the forecast for engine demand shown in the table. The department has a regular output capacity of 130 engines per month. Regular output has a cost of $60 per engine. The beginning inventory is zero engines. Overtime has a cost of $90 per engine Month 4 5 120 125 Forecast 120 135 140 6 125 7 140 8 135 Total 1,810 Click here for the Excel Data File 5 a. Develop a chase plan that matches the forecast and compute the total cost of your plan. Regular production can be less than regular capacity. (Negative amounts should be Indicated by a minus sign. Leave no cells blank - be certain to enter "O" wherever required.) Penod 8 Tot 120 135 140 120 125 125 140 135 1,040 Forecast Output Regular Overtime Subcontract Output - Forecast Inventory Beginning Ending Avenge Backdoo