by at people from Group B, and Group C. How many advertisements should Everest place in each newspaper to achieve its advertising goals at a mini- mum cost? What is the minimum cost? 25. MINIMIZING SHIPPING Costs Acrosonic manufactures a model G loudspeaker system in Plants I and II. The out- put at Plant I is at most 800/month, and the output at Plant II is at most 600/month. Model G loudspeaker sys- tems are also shipped to the three warehouses-A, B, and C-whose minimum monthly requirements are 500, 400, and 400 systems, respectively. Shipping costs from I to Warehouse A, Warehouse B, and Warehouse C are $16, $20, and $22 per loudspeaker system, respectively, and shipping costs from Plant II to each of these ware- houses are $18, $16, and $14, respectively. What shipping schedule will enable Acrosonic to meet the requirements of the warehouses while keeping its shipping costs to a 1. iver Cruises oper- nas two types of - cabins and 160 el has 80 deluxe a charter agree- uxe River Cruises of 360 deluxe and Ese in May. It and $54,000 to ow many of he operating m cost? minimum? What is the minimum cost? 26. MINIMIZING SHIPPING COSTS Singer Motor Corporation man- ufactures electric motors for battery-powered cars in two plants and ships them to two warehouses. The maximum capacities for Plant I and Plant II are 600 and 800 per week, respectively. For the week, Singer plans to ship at least 300 motors to Warehouse A and at least 400 motors to Warehouse B. The shipping costs from Plant I to Ware, house A and Warehouse B are $12 and $16, respectively, Shipping costs from Plant II to Warehouse A and Ware- house B are $20 and $18, respectively. How many motors should Singer ship from each plant to each warehouse in that week if the shipping costs are to be kept to a mini- f fertilizers. A trogen, 2 lb of bag of Fertil- horus, and a field are d 360 lb of s $30 and a mount of o minimize irements. Sar wishes mum? What is the minimum cost? vitamin A 27. MINIMIZING OIL REFINERY CoSTS An oil company operates two refineries in a certain city. Refinery I has an output of 200, 100, and 100 barrels of low-, medium-, and high- and pink is to con- min A uice con- 114 cal- s 120 IU grade oil per day, respectively. Refinery II has an output of 100, 200, and 600 barrels of low-, medium-, and high- grade oil per day, respectively. The company wishes to produce at least 1000, 1400, and 3000 barrels of low-, medium-, and high-grade oil, respectively, to fill an order. If it costs $200/day to operate Refinery I and $300/day to operate Refinery II, determine how many days each refin- ery should be operated to meet the production require- How end rements What is ments at minimum cost to the company, What is the each newspaper mum cost? What is the minimum cost! m cost? 25. MINIMIZING SHIPPING Costs Acrosonic manufactures : model G loudspeaker system in Plants I and II. The out- put at Plant I is at most 800/month, and the output at Plant II is at most 600/month. Model G loudspeaker tems are also shipped to the three warehouses-A, B, and C-whose minimum monthly requirements are 500, 400, and 400 systems, respectively. Shipping costs from Plant I to Warehouse A, Warehouse B, and Warehouse C are $16, $20, and $22 per loudspeaker system, respectively, and shipping costs from Plant II to each of these ware- houses are $18, $16, and $14, respectively. What shipnis cehedule will enable Acrosonic to meet the requiremente s oper- es of sys- 160 eluxe ree- Cruises ke and It O to of the warehouses while keeping its shipping costs to a minimum? What is the minimum cost? 26. MINIMIZING SHIPPING COSTS Singer Motor Corporation man- ufactures electric motors for battery-powered cars in two plants and ships them to two warehouses. The maximum capacities for Plant I and Plant II are 600 and 800 week, respectively. For the week, Singer plans to ship at least 300 motors to Warehouse A and at least 400 motors to Warehouse B. The shipping costs from Plant I to Ware- house A and Warehouse B are $12 and $16, respectively. Shipping costs from Plant II to Warehouse A and Ware- house B are $20 and $18, respectively. How many motors should Singer ship from each plant to each warehouse in that week if the shipping costs are to be kept to a mini- mum? What is the minimum cost? of il- per 27. MINIMIZING OIL REFINERY COSTS An oil company operates two refineries in a certain city. Refinery I has an output of 200, 100, and 100 barrels of low-, medium-, and high- grade oil per day, respectively. Refinery II has an output of 100, 200, and 600 barrels of low-, medium-, and high- grade oil ner day resnectively The com Y wishes to