Sheridan Company has a materials price standard of $2.00 per pound. 5700 pounds of materials were purchased at $2.20 a pound. The actual quantity of materials used was 5700 pounds, although the standard quantity allowed for the output was 5200 pounds. Sheridan Company's materials quantity variance is

$1100 F.

$1100 U.

$1000 U.

$1000 F.