Hadley Corporation, which has only one product, has provided the following data concerning its most recent month of operations: Selling price $ 187 Units in beginning inventory Units produced Units sold Units in ending inventory 100 1.470 1, 220 350 Variable costs per unit: Direct materials Direct labor Variable manufacturing overhead Variable selling and administrative expense Fixed costs Fixed manufacturing overhead Fixed selling and administrative expense $ $ $ $ B7 33 5 8 $17, 640 $28, 060 What is the total period cost for the month under variable costing? Multiple Choice $17,640 $45,700 $37,820 $55,460