2. Four products are processed sequentially on three machines.The following table gives
the pertinent data ofthe problem.
Manufacturing time (hr) per unit
Machine Cost per hr ($) Productl Product 2 Product3 Product 4 Capacity (hr)
1 10 2 3 4 2 500
2 5 3 2 1 2 380
3 4 7 3 2 1 450
Unitselling
price ($) 75 70 55 45
Formulate the problem as an LP model, and find the optimum solution