Table 5-1. Steel Shelf Company Category Cost Payment Period Cost Rent Monthly $3,000 Utilities Monthly 1,100 Insurance Quarterly 1,200 Property Taxes Annually 6,000 Steel Per Shelf 9.00 Forming Per Shelf 0.25 Labor Per Shelf 0.75 Price Per Shelf 20.00 Refer to Table 5-1. The Steel Shelf Company will break even with monthly production of dollars O a. 500; 10,000 O b.250; 5,000 Oc. 10,000; 500 Od.5.000; 250 units, and sales of