Current Attempt in Progress Blossom Creations purchased 7900 feet of copper tubing at a price of $2.40 per foot and used 7600 feet during the period. The standard quantity allowed for the units produced is 7400 and the standard price of the copper tubing is $2.60 per foot. What is Blossom Creations' direct materials quantity variance for the period? $480 unfavorable $520 unfavorable $1300 unfavorable $780 unfavorable