Oriole Company has a materials price standard of $2.00 per pound. 5100 pounds of materials were purchased at $2.20 a pound. The actual quantity of materials used was 5100 pounds, although the standard quantity allowed for the output was 4600 pounds. Oriole Company's total materials variance is 0 $2020 U. O $2120U. $2020 F O $2120 F