ABC Company makes coat and slacks. He is able to get a shipment of 150 square yards of wool cloth from Scotland each month to make coats and slacks, and he has 200 hours of his own labor to make them each month. A coat requires 3 square yards of wool and 10 hours to make, and a pair of pants requires 5 square yards of wool and 4 hours to make. He earns P2,500 in profit from each coat he makes and P2,000 from each pair of slacks. He wants to know how many coats and slacks to produce to maximize profit.

1. Formulate an integer linear programming model for this proble,

2. Find the optimal solution. You may use any technique learned during our discussion (graphical, branch and bound or excel problem solver)