Green and White Company reported the following monthly data: Units produced 2,200 units Sales price $ 27 per unit Direct materials $ 1 per unit Direct labor $ 2 per unit Variable overhead $ 2.50 per unit Fixed overhead $ 8,800 in total Variable selling and administrative expenses $ 0.50 per unit Fixed selling and administrative expenses $ 2,200 in total What is Green and White's contribution margin for this month if 1,000 units were sold?