Mid City Products Inc. (MCP), developed standard costs for direct material and direct labor. In 2017, MCP estimated the following standard costs for one of their most popular products. Direct materials Direct labor Budgeted quantity 6 pounds 0.2 hours Budgeted price $3.50 per pound $15 per hour During September, MCP produced and sold 1,000 units using 6,300 pounds of direct materials at an average cost per pound of $3 and 160 direct labor hours at an average wage of $15.25 per hour. The direct labor efficiency variance during September is O A. $560 unfavorable OB. $600 favorable OC. $610 unfavorable OD. $50 favorable