Genent Industries, Inc. (GII), developed standard costs for direct material and direct labor. In 2017, GIl estimated the following standard costs for one of their major products, the 30-gallon heavy-duty plastic container. Direct materials Direct labor Budgeted quantity 0.5 pounds 0.8 hours Budgeted price $20 per pound $15 per hour During July, GIl produced and sold 3,000 containers using 1,700 pounds of direct materials at an average cost per pound of $18 and 2,425 direct manufacturing labor hours at an average wage of $15.50 per hour. The direct manufacturing labor efficiency variance during July is O A. $1,588 favorable O B. $375 unfavorable O C. $388 unfavorable OD. $1,213 favorable