Stone Slab Creamery has a direct material standard of using 2 gallons of whole milk at a standard cost of $7.50 per gallon to produce one pound of butter. During June, the company purchased and used 6,700 gallons of whole milk costing $46,600. If 3,300 pounds of butter were produced, what is the direct materials quantity variance? O $1,500 unfavorable O $25,500 favorable $750 unfavorable O $3,650 favorable