Stuart Car Wash, Inc. expected to wosh 1,000 cars during the month of August. Woshing esch car was expected to require 0.3 hour of labor. The company actually used 310 hours of labor to wash 950 cars. The labor usage variance was $375 unfavorable. Required a. Determine the stondard labor price. b. If the sctual labor rate is $13, indicate whether the isbor price variance would be favorable (F) or unfavorable (U). (Select "None" If there is no effect (I.e., zero varlance).)