Lenci Corporation manufactures and sells a single product. The company uses units as the measure of activity in its budgets and performance reports. During May, the company budgeted for 5,100 units, but its actual level of activity was 5,050 units. The company has provided the following data concerning the formulas used in its budgeting and its actual results for May: Data used in budgeting: Fixed element per month - Variable element per unit $39.60 Revenue $ Direct labor Direct materials Manufacturing overhead Selling and administrative expenses Total expenses $ 5.50 15.70 1.30 0.20 $22.70 41,500 22,700 $ 64,200 , Actual results for May: Revenue Direct labor Direct materials Manufacturing overhead Selling and administrative expenses $197,810 $ 28,565 $ 80,265 $ 47,905 $ 22,680 The spending variance for manufacturing overhead in May would be closest to