Jackson Industries uses a standard cost system in which direct materials inventory is carried at standard cost Jackson has established the following standards for one unit of product: Standard untry 3 pounds Standard Cost Direct materials Standard Price of $3.70 per pound $1300 per hour 5270 During Mary Jackson purchased 73,450 pounds of direct material a total cost of $206.455. The total factory wages for May were $547800, 90 percent of which were for direct labor Jackson manufactured units of product during May using 51,00 pounds of direct material and 30,300 director hours 000 The laborate variance for Mayisi O $4.500 Favorable $4,880 Unfavorable O $2,480 Favorable $3,680 Unfavorable