Trevorrow Corporation manufactures and sells a single product. The company uses units as the measure of activity in its budgets and performance reports. During June, the company budgeted for 5,300 units, but its actual level of activity was 5,260 units. The company has provided the following data concerning the formulas used in its budgeting and its actual results for June: Data used in budgeting: Fixed Variable element element per per month unit $30.30 Revenue Direct labor Direct materials Manufacturing overhead Selling and administrative expenses Total expenses $ 0 $ 3.30 09.40 38,400 1.40 24,000 0.40 $62,400 $14.50 Actual results for June: Revenue $160,253 Direct labor $ 16,832 Direct materials $ 47,204 Manufacturing overhead $ 45, 679 Selling and administrative expenses $ 26,189 The overall revenue and spending variance (i.e., the variance for net operating income in the revenue and spending variance column on the flexible budget performance report) for June would be closest to