The standard cost sheet for Eiger Mountain Manufacturing’s (EMM) most popular product shows 3 pounds of material at $6.00 per pound and 1.5 hours at $28.80 per hour. During the most recent period, EMM produced 500 units and incurred direct materials cost of $10,060 when it purchased 1,600 pounds and $20,976 for direct labor costs for 760 hours of labor. What is EMM’s materials quantity variance for the period? A : $460 unfavorable B : $1,060 unfavorable C : $600 unfavorable D : $10,916 unfavorable