Mountain Road Production Company has provided the following financial data for its most recent month. Unit Selling Price $22 Units in beginning inventory 0 Units produced 12,000 Units sold 10,000 Variable costs per unit: Direct materials $6 Direct labor $4 Manufacturing overhead $5 Selling and administrative costs $2 Fixed costs: Manufacturing overhead $12,000 Selling and administrative costs $10,000 Required: a) Calculate the unit product cost under variable costing. b) Calculate the unit product cost under absorption costing. c) Calculate the contribution margin for the month in total dollars. (not just per unit) d) Calculate net operating income under variable costing. e) Calculate net operating income under absorption costing