Firestone adopts a standard cost system, which specifies that each brake repair uses a standard of 2 direct labor hours per brake repair and each technician's standard wage is $24,50 per hour. In April, technicians in Firestone spent a total of 8,890 direct labor hours (paid $196,000 ) and performed 4.730 brake repairs. Compute the direct labor rate variance. Mutiple Gioice $13,965 taverable $21,805 favorable $21805 unfovorable $35,770 favorable