Exeter has a material standard of 1 pound per unit of output. Each pound has a standard price of $24 per pound. During July. Exeter paid $134,000 for 4,990 pounds, which they used to produce 4,780 units. What is the direct materials quantity variance? O $13,340 favorable O $5,040 unfavorable O $14.240 unfavorable O $7,640 unfavorable