Please show your work.

1. Stratton Company produces one product, the H2001. Each unit of H2001 l requires 6.5 pounds of raw material with a standard cost of $12.00 per pound. During July, Stratton purchased 3,500 pounds of the raw material at a price of $12.25 per pound and used 3,280 pounds to produce 500 units of H2001. Calculate the material quantity variance A. $3,000 unfavorable B $360 unfavorable C. $875 unfavorable D $820 unfavorable