Someone please solve this problem

1. Construct an Algebraic Model and Solve the model graphically for the following business problem: A firm makes two types of furniture; chairs and tables. Both products are processed on two machines M1, M2. The time required in hours by each product and total time available in hours per week on each machine are as follows: Machines Table Chair 12 Available time 180 M 9 M2 1 30 Contribution per unit OMR 80 OMR 120 How should the manufacturer schedule his production in order to maximize his profit