Nuss Products Inc. developed standard costs for direct material and direct labor. In 2020, Nuss estimated the following standard costs for one of their most popular products, Budgeted quantity Budgeted price Direct materials 1 pound $7.60 per pound Direct labor 0.10 hours $19,00 per hour During September, Nuss produced and sold 1,000 units using 1,300 pounds of direct materials at an average cost per pound of $7.00 and 60 direct labor hours at an average wage of $19.30 per hour The direct labor efficiency variance during September is: Select one: O A. $760 favorable B. $742 unfavorable C. $30 favorable D. $772 unfavorable