Broze Company makes four products in a single facility. These products have the following unit product costs: Additional data concerning these products are listed below. The grinding machines are potentially the constraint in the production facility. A total of 52.500 minutes are available per month on these machines. Direct labor is a variable cost In this company. How many minutes of grinding machine time would be required to satisfy demand for all four products? 18, 940 5, 680 26, 220 52, 500