Aaker Corporation, which has only one product, has provided the following data concerning its most recent month of operations: Selling Price ..................................................$99 Beginning Inventory . 0 Units Produced6,300 Units Sold6,000 Ending Inventory...300 Variable Costs per unit: Direct Material..$12 Direct Labor.$42 Variable Manufacturing Overhead$6 Variable Selling & Administrative .$6 Fixed Costs : Fixed Manufacturing Overhead$170, 100 Fixed Selling & Administrative .$24,000 What is the Net Operating Income for the month under Variable Costing System?