Soloman Corporation recently purchased 27,000 gallons of direct material at $5.40 per gallon. Usage by the end of the period amounted to 25,000 gallons. If the standard cost is $6.20 per gallon and the company believes �n computing variances at the earliest point possible, the direct-material price variance would be: $20,000F. $21,600F. $21,600U. $20,000U. $1 ,600F.