aggregate planning

Regular production cost: $50/unit Overtime production cost: $60/unit Subcontracting cost: $70/unit Regular production capacity:36 unit/month Overtime production capacity: 8 unit/month Subcontracting capacity: 12 unit/month Level strategy: A constant output rate, with backlogs and inventory to handle variations in demand. (Make that you don't have backorders at the end of November.) June Nov Total April 35 May 32 July 52 August Sept 53 Oct 35 38 50 34 329 Period Forecast Output Regular Overtime Subcontract Output-Forecast Inventory Beginning Ending Average Backlog 1 Cost Regular Overtime Subcontract Inventory Backlog Total