Please help!

Bellfont Company produces door stoppers. August production costs are below:

Door Stoppers produced 80,000

Direct material (variable) $20,000

Direct labor (variable) 40,000

Supplies (variable) 20,000

Supervision (fixed)29,300

Depreciation (fixed) 20,800

Other (fixed) 5,900

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?