... 13.16 A large Saskatchewan feed mill. B. Swart Processing. prepares its six-month aggregate plan by forecasting demand for 50-pound bags of cattle feed as follows: January, 1000 bags February. 1200; March. 1250: April, 1450: May. 1400; and June, 1400. The feed mill plans to begin the new year with no inventory left over from the previous year. and backorders are not permit- ted. It projects that capacity (during regular hours) for producing bags of feed will remain constant at 800 until the end of April, and then increase to 1100 bags per month when a planned expansion is completed on May 1. Overtime capacity is set at 300 bags per month until the expansion, at which time it will increase to 400 bags per month. A friendly competitor in Alberta is also available as a backup source to meet demandbut can provide only 500 bags total during the six-month period. Develop a six-month production plan for the feed mill using the transportation method. Cost data are as follows: $12.00 $11.00 Regular-time cost per bag (until April 30) Regular-time cost per bag (after May 1) Overtime cost per bag (during entire period) Cost of outside purchase per bag Carrying cost per bag per month $16.00 $18.50 $ 1.00 B