Problem 14-1A ohno 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 helmets per month (80% of its full capacity). Ohno's monthly manufacturing cost and other expense data are as follows. Rent on factory equipment $11,400 Insurance on factory building 1,740 Raw materials (plastics, polystyrene, etc.) 80,500 980 Utility costs for factory Supplies for general office 320 65,700 Wages for assembly line workers 830 Depreciation on office equipment Miscellaneous materials (glue, thread, etc.) 1,400 Factory manager's salary 6,600 420 Property taxes on factory building Advertising for helmets 14,600 10,950 Sales commissions Depreciation on factory building 1,640