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