Jackie Inc. has a materials price standard of $3.00 per pound. 5,400 pounds of materials were purchased at $3.5 a pound. The actual quantity of materials used was 5,400 pounds, where the standard quantity allowed for the output was 5,800 pounds. Jackie's materials quantity variance is $1,200 U. . $1,200 F. Ob $1,320 U. Oc $1,320 F Od