5. For the data in Table 2.9, evaluate the cost of the plan given in the table if an in-house regular hour is 10$, overtime hour is 15$, and a contract man-hour costs 25 . In addition, every backlog man-hour delayed from period t to t+1 costs 5 . Develop an alternative competitive plan in which you can have instead of 5 skilled employees have a mixture of skill and unskilled. The hour of unskilled worker is 8$. the following prodictivity for skilled labor 0.75 for priority 1 and 0.9 for prioroty 2 . For unskilled the productivity for priority 1 is 0.5 and for priority 2 is 0.75