Bramble Company specializes in manufacturing a unique model of bicycle helmet. The model is well accepted by consumers, and the company has enough orders to keep the factory production at 10,000 heimets per month (00% of its full capacity). Bramble's monthly manufacturing cost and other expense data are as follows. Rent on factory equipment Insurance on factory building $11,600 2,500 Raw materials (plastics, polystyrene, etc.) 79,700 Utity costs for factory 900 Supplies for general office. 300 Wages for assembly line workers 63,700 dy Depreciation on office equipment 800 Miscellaneous materials (glue, thread, etc.) 1,200 Factory manager's salary 6,400 Property taxes on factory building 500 Advertising for helmets 14,500 Sales commissions Depreciation on factory building 10,600 1,600