Bellfont Company produces doorstoppers. August production costs are below: Door Stoppers produced 79,000 Direct material (variable) $20,000 Direct labor (variable) 40,000 Supplies (variable) 20,000 Supervision (fixed) 26,400 Depreciation (fixed) 23,200 Other (fixed) 4,800 In September, Bellfont expects to produce 100,000 door stoppers. Assuming no structural changes, what is Bellfont’s production cost per door stopper for September?