Walkway Company has a good advertising strategy for promoting their bags. They noticed that as they spend more in the advertising, they attract more customer as shown in the following Table. Advertising 670 700 spent 2000 1350 760 7890 1800 1200 1100 2300 800 4500 1800 6777 3500 2600 2500 1900 8100 1980 9300 5600 Demand 1300 1600 For the next year, Walkway Company plans to spend the following amounts in their advertising and promoting activities: Month Jan Feb March April May Jun Jul 670 1600 560 1920 Aug Sep Oct Nov Dec 830 2100 2700 2740 3000 Advertising 1800 1200 760 The following policy has been placed: If the demand >= 2500 Overtime is allowed If the demand >= 5000 Premium time is allowed Subcontracting should be pursued If the demand >= 8000 Firing and hiring allowed for period from October to December, with heiring cost of $80 and firing of $20 At the beginning of Jan, 2000 bags were in the inventory. The starting production level is 1200 bags. The manager wants to maintain at least 1000 bags each month in the inventory in order to meet their demand with no backlogging. However, for certain reasons, then manager wants to have zero inventories at the end of Dec. The inventory cost is $14 per bag. A worker is paid $35 per hour. Each worker can work up to 1000 hours a month before he can receive overtime. Overtime is limited to 600 hours. Any time over these 1600 hours is paid at a premium overtime rate of $70 per hours. When less than 700 hours of work available, idle workers are performed cleanup and maintenance activities. The company estimates that each idle hour costs them $13. However, if the company decides to subcontract some of the production for the high demand expected, the subcontracting cost, which would replace the labor costs, are expected to be $150. Produce a plan for the next year. Walkway Company has a good advertising strategy for promoting their bags. They noticed that as they spend more in the advertising, they attract more customer as shown in the following Table. Advertising 670 700 spent 2000 1350 760 7890 1800 1200 1100 2300 800 4500 1800 6777 3500 2600 2500 1900 8100 1980 9300 5600 Demand 1300 1600 For the next year, Walkway Company plans to spend the following amounts in their advertising and promoting activities: Month Jan Feb March April May Jun Jul 670 1600 560 1920 Aug Sep Oct Nov Dec 830 2100 2700 2740 3000 Advertising 1800 1200 760 The following policy has been placed: If the demand >= 2500 Overtime is allowed If the demand >= 5000 Premium time is allowed Subcontracting should be pursued If the demand >= 8000 Firing and hiring allowed for period from October to December, with heiring cost of $80 and firing of $20 At the beginning of Jan, 2000 bags were in the inventory. The starting production level is 1200 bags. The manager wants to maintain at least 1000 bags each month in the inventory in order to meet their demand with no backlogging. However, for certain reasons, then manager wants to have zero inventories at the end of Dec. The inventory cost is $14 per bag. A worker is paid $35 per hour. Each worker can work up to 1000 hours a month before he can receive overtime. Overtime is limited to 600 hours. Any time over these 1600 hours is paid at a premium overtime rate of $70 per hours. When less than 700 hours of work available, idle workers are performed cleanup and maintenance activities. The company estimates that each idle hour costs them $13. However, if the company decides to subcontract some of the production for the high demand expected, the subcontracting cost, which would replace the labor costs, are expected to be $150. Produce a plan for the next year