Bruce Corporation makes four products in a single focility. These products have the following unit product costs: Additional data concerning these products are listed below. The grinding mochines ore potentially the constraint in the production focility. A total of 50,400 minutes are available per monti machines. Directlabor is a variable cost in this company. Up to how much should the compony be willing to pay for one additional minute of grinding machine time if the company hos mo of the existing grinding machine copocity? (Round your intermediate calculations to 2 decimal places.)