The Southern Corporation manufactures a single product and has the following cost structure: Variable costs per unit: Production Selling and administrative Fixed costs per year: Production Selling and administrative $ 38 $ 14 $ 140,000 $ 84,000 Last year, 7,000 units were produced and 6,800 units were sold. There was no beginning inventory. Under variable costing, the unit product cost would be: Multiple Choice $38 per unit $52 per unit $58 per unit $70 per unit