Neubert Corporation manufactures and sells a single product. The company uses units as the measure of activity in its budgets and performance reports. During December, the company budgeted for 5,300 units, but its actual level of activity was 5,340 units. The company has provided the following data concerning the formulas used in its budgeting and its actual results for December: Data used in budgeting: Fixed element per month Variable element per unit Revenue - $30.00 Direct labor$0 $3.50 Direct materials 0 10.40 Manufacturing overhead 33,300 1.50 Selling and administrative expenses 25,000 0.50 Total expenses$58,300 $15.90 Actual results for December: Revenue$156,340 Direct labor$17,980 Direct materials$56,566 Manufacturing overhead$41,040 Selling and administrative expenses$28,870 The net operating income in the flexible budget for December would be closest to: (Round your intermediate calculations to 2 decimal places.) Select one: A. $16,994 B. $11,795 C. $16,430 D. $11,974