You have been asked to put together a capacity plan for a critical operation at the Surefoot Sandal Company. Your capacity measure is the number of machines. Three products (men's, women's, and children's sandals) are manufactured. The time standards (processing and setup), lot sizes, and demand forecasts are given in the following table. The firm operates two 8-hour shifts, 5 days per week, 50 weeks per year. Experience shows that a capacity cushion of 5 percent is sufficient. Question: How many machines are needed