Quantitative analysis Questions

A foundry shop makes two products, each needing to be worked on by three different machines. The first machine has maximum 75 available hours; the second 60 hours; and the third only 85 hours per day. The first product needs 1.5 hours on Machine 1, 1.2 hour on Machine 2, and 1 hour on Machine 3; the second product requires 1 hour each on machines 1 and 2 and 2.5 hours on Machine 3. The cost of making the product is directly proportional to the number of machine hours consumed and the cost is Rs. 10 per machine hour. If the selling prices of the products are Rs. 85 and Rs. 110 respectively, how many products of each type must be produced in a week to maximize profit? What is the maximum possible weekly profit