The actual cost of direct labor per hour is $12.25. Two and one half-standard direct labor hours are allowed per unit of finished goods. During the current period, 2,900 units were produced using 7,050 direct labor hours. The direct labor efficiency variance is $3,000 favorable. Calculate the standard direct labor rate per hour. OA. $15.00 OB. $12.25 OC. $1.03 D. $2.42