Lo-bed Company produces a product that requires two standard gallons per unit. The standard price is $20.00 per gallon. If 4,000 units required 8,200 gallons, which were purchased at $19.75 per...

Lo-bed Company produces a product that requires two standard gallons per unit. The standard price is $20.00 per gallon. If 4,000 units required 8,200 gallons, which were purchased at $19.75 per gallon, what is the direct materials (a) price variance, (b) quantity variance, and (c) cost variance?