Answer all the questions. Each question carries 5 marks. 1. The table shows the numbers of hours require in each of three departments to make a unit of various products named A, B, and C. For example, product B required 1 hour of time in Department 1, 3 hours in Department II and 7 hours in Department III. Department 1 11 III 1 1 2 Hours Required Per Unit of Product B 1 3 7 9 7 13 A Find the numbers of units of A, B and C that could be made if Department has 75 hours available, Department II has 85 hours available and Department Ill has 175 hours available