Tip Top Corp. produces a product that requires seven standard gallons per unit. The standard price is $11.5 per gallon. If 4,600 units required 33,200 gallons, which were purchased at $12.08 per gallon, what is the direct materials (a) price variance, (b) quantity variance, and (c) cost variance7 Enter a favorable variance as a negative number using a minus sign and an unfavorable variance as a positive number. a. Direct materials price variance b. Direct materials quantity variance s c. Direct materials cost variance