Linear Programming related question

The ABC Company has two manufacturing plants on opposite sides of India. Each of these plants produces the same two products and then sells them to wholesalers within its half ofthe country. The orders from wholesalers have already been received for the next 2 months (February and March), where the number of units requested are shown below (The company is not obligated to completely fill these orders but will do so if it can without decreasing its profits). Each plant has 20 production days available in February and 23 production days available in March to produce and ship these products. Inventories are depleted at the end ofJanuary, but each plant has enough inventory capacity to hold both the two products if an excess amount is produced in February for sale in March. In either plant, the cost of holding inventory in this way is $3 per unit of product 1 and $4 per unit of Product 2. Each plant has the same two production processes, each of which can be used to produce either ofthe two products. The production cost per unit produced of each product is shown below for each process in each plant. The production rate for each product (number of units produced per day devoted to that product) also is given for each process in each plant. Plant 1 Plant 2 mmmm The net sales revenue (selling price minus normal shipping costs) the company receives when a plant sells the products to its own customers (to wholesalers in its half of the country) is $83 per unit of Product 1 and $112 per unit of Product 2. However, it is also possible (and occasionally desirable) for a plant to make a shipment to the other half of the country to help fill the sales of the other plant. When this happens, an extra shipping cost of $9 per unit of product 1 and $7 per unit of Product 2 is incurred