Heavy products, inc. developed standard costs for direct material and direct labor. in 2017, aii estimated the following standard costs for one of their major products, the 10minusgallon plastic container. budgeted quantity budgeted price direct materials 0.9 pounds $ 50 per pound direct labor 0.2 hours $ 35 per hour during june, heavy products produced and sold 16 comma 000 containers using 1 comma 900 pounds of direct materials at an average cost per pound of $ 54 and 3 comma 200 direct manufacturing laborminushours at an average wage of $ 51.00 per hour. the direct manufacturing labor efficiency variance during june is