i would like to see the solution manually please do not use excel it will help me alot thank you

Problem 2: Jobco is planning to produce at least 1500 widgets on three available machines. If a machine is used, a setup cost will be added. The following table gives the pertinent data of the situation. Formulate the problem as an IP to minimize total cost. Machine Setup cost ($) Capacity (units) 1 2. 3 300 100 200 Production cost/unit ($) 2 10 5 650 850 1250