A company makes products A-1 and A-2 that are part of product family A, and products B-1 and B-2 that are part of product family B. The parts for product family A are made on A machines, and the parts for product family B are made on... B machines! Next year's demand for product A-1 is 15, for A-2 is 70, for B-1 is 20, and for B-2 is 30. The capacity of each A machine is 15, and the capacity of each B machine is 35. There are 8 A machines and 4 B machines. 2 operators are required to work full-time on each A machine and 4 operators are required to work full-time on each B machine. a. What is the projected utilization of the B machines