A company produces two 2 types of leader belt A and B. A is of a superior quality B is of inferior quality. The respective profits are N10 and N5 per belt. The supply of raw material is sufficient for making 850 belt per day, for belt A a special type of buckle is required and 500 are available per day. There are 700 buckles available for belt B per day. Belt A needs twice as much time as required for belt B. And the company can produce 500 belt if all of them where of type A.

Formulate a linear programming model for the above problem

Thank you