Exeter has a material standard of 1 pound per unit of output. Each pound has a standard price of $26 per pound. During July, Exeter paid $136,000 for 5,010 pounds, which they used to produce 4,740 units. What is the direct materials quantity variance?

a) $5,740 unfavorable

b) $4,840 favorable

c) $9,620 unfavorable

d) $7,020 unfavorable