Piechocki 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 6,500 units, but its actual level of activity was 6,450 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 Variable element per month per unitRevenue - $ 34.00Direct labor $ 0 $ 6.00Direct materials 0 13.60Manufacturing overhead 35,000 1.50Selling and administrative expenses 25,300 0.70Total expenses $ 60,300 $ 1.80Actual results for May:Revenue $ 220,100Direct labor $ 38,580Direct materials $ 88,900Manufacturing overhead $ 42,500Selling and administrative expenses $ 30,450The revenue variance for May would be closest to: