Last month, Investly Widgets purchased 16,400 pounds of material and used 16,600 pounds in the production of 4,200 widgets. The actual cost per pound of the material was $7.80 and the standard price was $7.75 per pound. The company budgeted 4,500 widgets for production. How much is the material quantity variance?

A. $820 unfavorable

B. $730 favorable

C. $1,550 favorable

D. More information is needed to determine the answer.