Bellingham Company produces a product that requires seven standard pounds per unit. The standard price is $2.5 per pound. If 6,300 units used 45,900 pounds, which were purchased at $2.4 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