Aaron Corporation, which has only one product, has provided the following data concerning its most recent month of operations: Selling price $115 Units in beginning inventory 0 Units produced 6,500 Units sold 6,200 Units in ending inventory 300 Variable costs per unit: Direct materials $16 Direct labor $46 Variable manufacturing overhead $10 Variable selling and administrative expense $10 Fixed costs: Fixed manufacturing overhead $175,500 Fixed selling and administrative expense $ 25,200 What is the unit product cost for the month under variable costing? Group of answer choices $82 per unit $72 per unit $99 per unit $109 per unit