Diskind Corporation manufactures and sells a single product. The company uses units as the measure of activity in its budgets and performance reports. During October, the company budgeted for 6,400 units, but its actual level of activity was 6,350 units. The company has provided the following data concerning the formulas used in its budgeting and its actual results for October: Data used in budgeting Fixed element Variable element per month per unit Revenue $33.90 Direct labor Direct materials Manufacturing overhead Selling and administrative expenses Total expenses $0 0 34,000 25,200 $59,200 $5.90 13.50 1.40 0.60 $21.40 Actual results for October Revenue $216,300 Direct labor Direct materials Manufacturing overhead Selling and administrative expenses $36,930 $86,900 $42,000 $30,440 The activity variance for direct labor in October would be closest to