Backyard Creations Purchased 7,800 Feet of Copper Tubing at a Price

Backyard Creations purchased 7,800 feet of copper tubing at a price of $2.30 per foot and used 7,500 feet during the period. The standard quantity allowed for the units produced is 7,300 and the standard price of the copper tubing is $2.50 per foot. What is Backyard Creations’ direct materials quantity variance for the period?

A) $460 unfavorable
B) $500 unfavorable
C) $750 unfavorable
D) $1,250 unfavorable