XYZ Inc. sells a single product for $10 per unit. Variable production costs are $6 per unit. Fixed overhead costs amount $10,000 per month. Variable selling costs are $1 per unit. Fixed selling costs are $5,000 per month. Last month, the company produced 10,000 units and sold 8,000 units. XYZ expensed all fixed cost, hence, its net income last month was