Bellfont Company produces door stoppers. August production costs are below: door stoppers produced 72,000, direct material (variable) $20,000, Direct labor (variable) 40,000, supplies (variable) 20,000, supervision (fixed) 29,400, depreciation (fixed) 24,300, other (fixed) 3,200, 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?