Bellingham Company produces a product that requires six standard pounds per unit. The standard price is $7 per pound. If 3,100 units used 19,200 pounds, which were purchased at $6.79 per pound, what is the direct materials (a) price variance, (b) quantity variance, and (c) cost variance? Enter a favorable variance as a negative number using a minus sign and an unfavorable variance as a positive number.