Diana industries, Inc. (D) developed standard costs for direct material and direct labor. In 2010, Dil estimated the following standard costs for one of their major products, the 10- gallon plastic container. Budgeted quantity. Direct materials Direct labor 0.10 pounds 0.05 hours Budgeted price $90.00 per pound $45.00 per hour During June, Dil produced and sold 10,000 containers using 980 pounds of direct materials at an average cost of $96.00 per pound and 500 direct manufacturing labor-hours at an average wage of $45.75 per hour. The direct manufacturing labor efficiency variance for June is: OA None of these answers are correct. OB. $375 favorable OC. $375 unfavorable D. $22,500 unfavorable