A company has two plants and three warehouses. Plant P1 can produce at most 100 units and Plant P2 can produce at most 200 units of the same product. The sales potential at Warehouse W1 is 150, 200 at Warehouse W2, and 350 at Warehouse W3. The sales revenue per unit at the warehouses are: $12 in W1, $14 in W2, and $15 in W3. The cost of manufacturing one unit at Pi and shipping it to Wj is given below:

Find the optimal production plan.

Pi	w1	w2	w3
1	8	10	12
2	7	9	11