Edger inc has a material price standard of $2.00 per pound. six thousand pounds of materials were purchased at $2.20 a pound. the actual quantity of materials used was 6,000 pounds although the standard quantity allowed for the output was 5,400 pounds

Edgar inc's totalmaterials variance is

a. $2,400U

b. $2,400F

c. $2.520U

d. $2,520F