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Firebrick Corporation uses a standard cost accounting system to account for inventory. For the month of June, the budgeted output of finished goods was 2,850 units and the actual output was 2,800 units. The actual direct labor hours were 640 hours and the actual direct labor costs were $10,320. The standard labor rate is $17.00 per hour and the standard hours per unit of finished goods is 0.2 hours. What is the direct labor efficiency variance for the month of June? $1,360 Favorable $1,530 Favorable $1,360 Unfavorable $1,530 Unfavorable None of the above