a. Formulate the linear program that represents this problem and solve it. For the purposes of this exercise you can assume that is possible to buy fractions of a boat, no need to make the variables integer. b. What is the optimal solution (purchase plan)? How many of each container should be purchased, and what should the resultant cost be? c. Suppose that the requirement of at least 660 for seating capacity is reduced to 650. Without resolving the problem, can you determine how this would change the optimal solution? What would be the new cost?
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- • Use this information for the question below. Low-Grade Copper Ore $571 per Ton High-Grade Copper Ore $843 per Ton Coloma Cooper Incorporated is able to produce $640 worth of copper from one ton of low-grade copper ore. Because of its higher copper content, Coloma can produce $940 worth of copper from one ton of high-grade copper ore. A mining company is offering to trade 7,250 tons of low-grade copper ore for 5,000 tons of high-grade copper ore. Assuming Coloma currently has 5,000 tons of high-grade ore, what should it do?Q2) (a) A Missouri job shop has four departments--machining (M), dipping in a chemical bath (D), finishing (F), and plating (P)-assigned to four work areas. The operations manager, Mary Marrs, has gathered the following data for this job shop as it is currently laid out. It costs $0.50 to move 1 workpiece 1 foot in the job shop. Determine cost of material handling in the current layout. Further, suggest a revised layout that has the lowest material handling cost. 100s of Workpieces Moved Between Work Areas Distances Between Work Areas in Feet M D F P M D F P M 18 2 20 12 8 4 2 6. 10 F 18 42) A company is considering a plan to produce or buy/outsource a certain item used in the production of new type of cars. Making the item would involve annual lease costs of $150,000. Cost and volume estimates are as follows: Make Buy Annual fixed cost $150,000 None Variable cost/unit $60 $80 Annual volume 12,000 12,000 (units) a. Given these numbers, should the firm buy or make this item? b. There is a possibility that volume could change in the future. At what volume would the company be indifferent between making and buying?
- Problem 20-7 (Algo) Wholemark is an Internet order business that sells one popular New Year greeting card once a year. The cost of the paper on which the card is printed is $0.29 per card, and the cost of printing is $0.10 per card. The company receives $3.75 per card sold. Since the cards have the current year printed on them, unsold cards have no salvage value. Their customers are from the four areas: Los Angeles, Santa Monica, Hollywood, and Pasadena. Based on past data, the number of customers from each of the four regions is normally distributed with mean 2,300 and standard deviation 200. (Assume these four are independent.) What is the optimal production quantity for the card? (Use Excel's NORMSINV() function to find the correct critical value for the given a-level. Do not round intermediate calculations. Round Normsinv value to 4 decimal places. Roundup your answer to the nearest whole number.) Optimal production quantityLorraine has received a lump sum of R500 000.00 from her retirement fund. She intends to usethese funds to start a student accommodation business. In order to start this business, Lorrainewould need approximately R1 million, funds are needed for building the students accommodationapartments and to register with various regulatory bodies. She has to source additional funding inorder to realise this dream. In the business plan, Lorraine has outlined the following:• Accommodation will be offered ONLY to students in Cape Town, Johannesburg,Mpumalanga and Polokwane.• ONLY females will be approved to reside in these houses, between the age of 18 - 35.• Marketing of the business will be done on community Radio stations only at the fourmentioned cities.• It is going to be a family business, Friends and relatives are in support of the idea but arenot able to support the business financially There are three types of Market coverage. Explain the type of market coverageapplicable to Lorraine’s…Problem 11-4 (Algo) The local supermarket buys lettuce each day to ensure really fresh produce. Each morning, any lettuce that is left from the previous day is sold to a dealer that resells it to farmers who use it to feed their animals. This week, the supermarket can buy fresh lettuce for $6.00 a box. The lettuce is sold for $12.00 a box and the dealer that sells old lettuce is willing to pay $1.40 a box. Past history says that tomorrow's demand for lettuce averages 230 boxes with a standard deviation of 33 boxes. How many boxes of lettuce should the supermarket purchase tomorrow? Note: Use Excel's NORM.S.INV() function to find the z value. Round your answer to the nearest whole number. Number of boxes
- Express Logistics provides delivery service seven days a week. The daily requirements (in workers) are estimated as follows: Day M T Requirement 5 4 W 7 ΤΗ 3 F 6 S 3 SU 3 Each employee works five days a week and must have two consecutive days off, according to the contract. a. What is the minimum number of employees required? (If there is a tie in the selection of off days, S and SU days are given a preference). b. What is the worker schedule? You should show the schedule for each employee (stating their start day and the off days clearly).1. Eastern Visayas State University (EVSU) has facilities and faculty to handle an enrollment of 25,000students per semester. However, in an effect to limit class sizes to a reasonable level (under 2,000generally), the EVSU VPAA, placed a ceiling on enrollment of 18,000. Although there was ampledemand for all courses last semester, conflicting schedules allowed only 1,500 students percollege. There are 10 colleges in EVSU.a. What is the utilization rate of EVSU?b. What is efficiency of EVSU?A firm’s manager must decide whether to make or buy a certain item used in the production of vending machines. Making the item would involve annual lease costs of $150,000. Cost and volume estimates are as follows:Make BuyAnnual fixed cost $150,000 None Variable cost/unit $ 60 $ 80 Annual volume (units) 12,000 12,000 a. Given these numbers, should the firm buy or make this item?b. There is a possibility that volume could change in the future. At what volume would the managerbe indifferent between making and buying?
- Variable cells Cell Name $B$6 $C$6 $D$6 $E$2 Activity 1 Constraints $E$3 Activity 2 Cell Name $E$4 Activity 3 Resource A Resource B Resource C Final Reduced Value Cost 3 6 0 0 0 -7 30 6 18 0 Objective Allowable Allowable Coefficient Increase Decrease 30 20 7.78 20 O the shadow price is not valid. 40 20 O the shadow price is valid. Final Shadow Constraint Allowable Allowable Value Price R.H. Side Increase Decrease 30 O the original solution remains optimal. 40 23 50 7 10 50 17 10 1E+30 the problem must be resolved to find the optimal solution. 12.5 10 1E+30 22Judd 57 Joel Gus Tim $3 2. 1 $5 $2 First film Second film Third film Fourth film Fifth film 1. 0. 0. 5. 2. 1 a. Within the dorm room, is Ux showing of a movie a public good? Why or why not? b. W itcosts S5 to rent a movic how many movies should the mommates rent to maximize tothl surplus? c. li they choose the optimal number from part (b)and then split the cost of renting the movies equally, how much surplus does.cach person obtain from wakhing the me d. s there any way tospl ost.tormsre that everyone benefits? What practical problems does this solution reise? Suppose they agmeinarancetochoxxe the efficient number and to split the cosr of the movies equally. When fudd is asked his wiling ness to pay, will he have an incentive to toll the Iruth? If so, why? f not. what will he he tempted (1అ) బ* E What does this example teach you abou the optimal provision of public goods? yol public gods?Spectrum Hair Salon is considering expanding itsbusiness, as it is experiencing a large growth. Th e question iswhether it should expand with a bigger facility than needed,hoping that demand will catch up, or with a small facility,knowing that it will need to reconsider expanding in three years.Th e management at Spectrum has estimated the followingchances for demand:• Th e likelihood of demand being high is 0.70.• Th e likelihood of demand being low is 0.30.Estimated profi ts for each alternative are as follows:• Large expansion has an estimated profi tability of either$100,000 or $70,000, depending on whether demand turnsout to be high or low.• Small expansion has a profi tability of $50,000, assuming thatdemand is low.• Small expansion with an occurrence of high demand wouldrequire considering whether to expand further. If thebusiness expands at this point, the profi tability is expected tobe $90,000. If it does not expand further, the profi tability isexpected to be $60,000.