Question: For @ 99 of the revised problem Write down the compe b. solve the revised problem for the optimal solution. What difference does the hiring

For @ 99 of the revised problem Write down theFor @ 99 of the revised problem Write down the

For @ 99 of the revised problem Write down the compe b. solve the revised problem for the optimal solution. What difference does the hiring cost function make in the solution 28. Leather All produces a line of handmade leather products. At the present time, the com pany is producing only belts, handbags, and attache case. The predicted demande these three types of items over a six-month planning horizon is as follows Number of Month Working Days 1 22 2 20 3 19 4 24 5 21 0 17 Belts 2,500 2.800 2,000 3.400 3,000 1,600 Handbags 1.250 680 1,625 745 835 375 Attach Cases 240 380 110 75 126 45 The belts require an average of two hours to produce the handbags three hours. and the attach cases six hours. All the workers have the skill to work on any item Leather-All has 46 employees, all of whom have a share in the firm and cannot be fired. There are an additional 30 locals who are available and can be hired for short periods at higher cost. Regular employees earn $8.50 per hour on regular time and $14.00 per hour on overtime. Regular time comprises a seven-hour workday, and the 207 AM WhatsApp Image 2022-02-19 at 12.32:37 PM)jpeg hid determine the 16 16 DISAGGREGATINGAS regular employees will work as much overtime as isvalable. The additional workers are hired for $1.00 per hour and are kept on the payroll for at least one full with Costs of hiring and firing are negligible. Because of the competitive nature of the industry, Leather Al does not incur any demand backorders a. Using worker hours as an aggregate measure of production, convert the forecated demands to demands in terms of aggregate units b. What would be the size of the workforce needed to satisfy the demand for the coming six months on regular time only? Would it be to the company's advantage to bring the permanent workforce up to this level? Why or why not? c. Formulate the problem of optimizing Leather-All's hiring schedule a linear program Define all problem variables and include whatever constraints are necessary d. Solve the problem formulated in part (e) for the optimal solution. Round the relevant variables and determine the cost of the resulting plan. he cost of hir fired, $400 for worker hired 3.6 DISAGGREGATING PLANS As we saw earlier in this chapter aggregate planning may be done at several levels of the form Aggregate planning might be done for a single plant, product family, a group of families of for the firm as a whole. There are views of production planning Bottom-up or top down. The top approach means one would start with individual items production plans Theme could then be aggregated up the chain of products to produce a plam The op approach, which is the one treated in this chapter is to start with a selepas level. These plans would then have to be aggregated to prostore del posla plans at the plant dathat disetion is an be in all come not for the dewe individual item levels d problem deres the new 222 AM 0 200012

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