Hadley Corporation, which has only one product, has provided the following data concerning its most recent month of operations: $ 126 Selling price Units in beginning inventory Units produced Units sold Units in ending inventory 0 1,900 1,800 100 $ $ $ 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 49 28 5 11 $32,300 $ 23,400 What is the net operating income for the month under variable costing? Multiple Choice $5,400 $1,700