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The Union Manufacturing Company is producing two types of products: A and B. The demand forecasts, batch size, and time standards follow: Product A Product B Demand forecast (units/yr) 1,000 4,000 Batch size (units/batch) 20 10 Processing time (hr/unit) 3.2 4.5 Setup time (hr/batch) 10 20 The company works 250 days per year and operates two shifts, each covering 8 hours. If a 15 percent capacity cushion is maintained, how many Mark I machines are required to produce Union Manufacturing's for the year's production? (Both products are produced on the same machine, called Mark I.) O A. Fewer than 4 machines OB. More than 4 but fewer than or equal to 6 machines O C. More than 6 but fewer than or equal to 8 machines O D. More than 8 machines