Identifying and Exploiting Constraints, Constraint Elevation Minutes Required per Unit of Product both products are produced). The grinding process has sufficient equipment and workers to provide 408 grinding hours per shift. not necessarily correspond to each product's daily demand. 1. Calculate the time (in minutes) need demand for Component X and Component Y. What is the major internal constraint facing Middleton Company? 2. Identify the product mix that will maximize daily throughput. would be produced