2. A BSA Corporation makes three products and has available 4 workstations. The production time (in minutes) per unit produced varies from workstation to workstation (due to different manning levels) as shown below: Workstation Product 2 4 5 6. 13 4 8 9. 10 12 15 17 3 14 Similarly, the contribution per unit varies from workstation to workstation as below: Workstation Product 3 4 10 8. 9 18 20 15 13 17 17 15 16 If one week, there are 35 working hours (2,100 minutes) available at each workstation how much of each product should be produced given that we need at least 100 units of product 1, 150 units of product 2 and 100 units of product 3. Formulate this problem as a linear program. Formulation: 1. Decision Variables: (hint: product i to make at each workstation j) a. 2. Objective Function: a. Maximize z =, 3. Constraints: Limit on the number of minutes available each week for each workstation: a. b. с. d. Lower limit on the total amount of each product produced:
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- A manager must decide which type of machine to buy, A, B, or C. Machines costs are as follows: Machine Cost A $40,000 B $30,000 C $80,000 Product forecast, processing times on the machines, and setup times are as follows: Processing Time Per Unit (minutes) Product Annual Demand A B C Setup Times (minutes) Production Lots (units) 1 16,000 3 4 2 20 200 2 12,000 4 5 3 35 100 3 6,000 5 6 3 60 50 4 30,000 2 4 1 15 500 Machines operate 10 hours a day, 250 days a year. The manager wants to have a capacity cushion of 10%. a. Assume that only purchasing costs are being considered. Which machines would have the lowest total cost, and how many of that machines would be needed? b. Consider this additional information: The machines differ in terms of hourly operating costs: The A machines have an hourly operating cost of $11 each, B machines have an hourly operating cost of $10 each, and C machines have an hourly operating cost of $12 each. Which alternative would…The company has the following information about its two service departments and two production departments, Cutting and Assembly: Departments SquareFeet Number ofEmployees Maintenance Department 500 20 Cafeteria Department 1,400 10 Cutting Department 1,500 60 Assembly Department 7,100 20 What is the percentage (proportional) usage of the Maintenance Department by the Cutting Department?A manager must decide which type of machine to buy, A, B, or C. Machine costs (per individual machine) are as follows: Machine Cost A B C Product forecasts and processing times on the machines are as follows: $80,000 $70,000 $40,000 Annual Product Demand 1 25,000 2 22,000 3 20,000 4 9,000 A B PROCCESSING TIME PER UNIT (minutes) A B C A 5 3 3 5 B 4 1 1 Click here for the Excel Data File Total processing time in minutes per machine: 296,000 196,000 6 a. Assume that only purchasing costs are being considered. Compute the total processing time required for each machine type to meet demand, how many of each machine type would be needed, and the resulting total purchasing cost for each machine type. The machines will operate 10 hours a day, 250 days a year. (Enter total processing times as whole numbers. Round up machine quantities to the next higher whole number. Compute total purchasing costs using these rounded machine quantities. Enter the resulting total purchasing cost as a whole…
- The data collected in running a machine, the cost of which is Rs 60,000 are given below: Year 1 2 3 4 5 Resale Value 42,000 30,000 20,400 14,400 9,650 Cost of spares 4,000 4,270 4,880 5,700 6,800 Cost of labour 14,000 16,000 18,000 21,000 25,000 Determine the optimum period for replacement of the machine.A company makes two products (1 and 2). Each product requires time on two machines A and B. The specifications for each product are as follows; Product 1 Product 2 Processing time on machine A (hrs/unit) 2 2 Processing time on machine B (hrs/unit) 1 2 Material and labor cost (Sh./unit) 14 15 Selling price (Sh./unit) 16 18 Maximum possible sale (units) 130 150 The amount of time available on machine A is 360 hrs and on machine B is 260 hrs. Formulate the LP problem, which when solved, would indicate the number of product 1 and 2, which should be sold in order to maximize total…The union manufacturing company is producing two types of products a and b. The demand forecasts, batch size, and time standards for Mark 1 operation are as follows: Product A. product B demand forecast (units/yr) 1,000 4,000 batch size (units/batch) 20 10 processing time (hr/unit) 3.2. 4.5 setup time (hr/batch) 10 20 the company works 250 days per yr and operates two shifts, each covering 8 hours. If a 20 percent capacity cushion is maintained how many new Mark 1 machines are required if union does not resort to any short term capacity options?
- Q46 Mixing Company manufactured 2,500 units of its only product during 2022. The inputs for this production are as follows: 550 pounds of Material A at a cost of $2.50 per pound 400 pounds of Material H at a cost of $3.75 per pound 700 direct labor hours at $60 per hour The firm manufactured 3,920 units of the same product in 2021 with the following inputs: 700 pounds of Material A at a cost of $2.20 per pound 560 pounds of Material H at a cost of $3.50 per pound 600 direct labor hours at $58 per hour The partial operational productivity of Material A in 2021 is: Multiple Choice 5.60 units per pound. 0.44 units per pound. 4.67 units per pound. 5.18 units per pound. 0.51 units per pound.A company receives parts from suppliers to be used in its manufacturing departments. The quality control department must perform two operation when shipments are received:i) Operation A-draw a random sample, package, and deliver to testing, andii) Operation B-test the materials and issue a disposition reportThere are currently six shipments waiting to be processed. The time estimates for processing these six shipments through quality control are:Shipment Operation A (hours) Operation B (hours)1 1.5 1.02 1.1 2.73 1.2 1.44 0.7…Tribal Systems, Inc., is opening a new plant and has yet todecide on the type of process to employ. A labor-intensiveprocess would cost $10,000 for tools and equipment and $14 for labor and materials per item produced. A more au-tomated process costs $50,000 in plant and equipment but has a labor/material cost of $8 per item produced. A fullyautomated process costs $300,000 for plant and equipmentand $2 per item produced. If process selection were basedsolely on lowest cost, for what range of production wouldeach process be chosen?
- The Ace Manufacturing Company has orders for three similar products. Orders (units) Product Min A s.t. B с 1 Three machines are available for the manufacturing operations. All three machines can produce all the products at the same production rate. However, due to varying defect percentages of each product on each machine, the unit costs of the products vary depending on the machine used. Machine capacities for the next week and the unit costs are shown below. Machine 2 3 LB A C B с 1 Product 112₂ 3 Machine 1 Capacity Machine 2 Capacity Machine 3 Capacity 2,200 Product A Orders Product C Orders 400 xij≥0 for all i, j. 1,400 Product B Orders Capacity (units) 1,500 1,500 Use the transportation model to develop the minimum cost production schedule for the products and machines. (a) Show the linear programming formulation. (Let XA1 be the number of units of product A produced by machine 1, X;; be the number of units of product i produced by machine j, etc.) 1,100 $1.00 $1.30 $1.10 1 $1.20…Tax Prep Advisers, Inc., has forecasted the following staffingrequirements for tax preparation associates over the next12 months. Management would like three alternative staffingplans to be developed. The company currently has 10 associates. No more than 10new hires can be accommodated in any month because oflimited training facilities. No backorders are allowed, andovertime cannot exceed 25 percent of regular-time capacityon any month. There is no cost for unused overtime capac-ity. Regular-time wages are $1,500 per month, and overtimewages are 150 percent of regular-time wages. Undertime ispaid at the same rate as regular time. The hiring cost is $2,500per person, and the layoff cost is $2.000 per person.a. Prepare a staffing plan utilizing a level workforce strategy,minimizing undertime. The plan may call for a one-timeadjustment of the workforce before month 1.b. Using a chase strategy, prepare a plan that is consistent withthe constraint on hiring and minimizes use of overtime.c.…2 3. The seven-person maintenance function at a hospital performs both preventive and corrective maintenance on hundreds of items each month. All the workers are scheduled for 40 hours per week and there are four weeks in a month. It is the gool of the maintenance deportment to achieve 90% utilization with a mix of two-thirds preventive maintenance and one-third corrective moaintenance. How many hours each month are spent performing corrective maintenance if they achieve their 90% utilization and correct/preventive mix targets?