Sprinkle Co. sells its product for $20 per unit. During the year, it produced 60,000 units and sold 50,000 units. Costs per unit are: direct materials $5, direct labor $3, variable overhead $1, and variable selling & administrative expenses $0.50. Fixed costs are: $240,000 manufacturing overhead, and $30,000 selling and administrative expenses. If the company uses the absorption method, the product cost per unit will be: O $14.90 O $14.00 O $13.00 O $13.80. Airon Co. sells its product for $40 per unit. During the year, it produced 60,000 units and sold 50,000 units (there was no beginning inventory). Costs per unit are: direct materials $5, direct labor $3, variable overhead $1, and variable selling & administrative expenses $0.50. Fixed costs are: $240,000 manufacturing overhead, and $30,000 selling and administrative expenses. Ending inventory under variable costing is O $450,000 O $90,000. O $200,000 O $130,000.