The standard cost of direct labor per hour is $15.00. Two and one half standard direct labor hours are allowed per unit of finished goods. During the current period, 80 units were produced using 1,850 direct labor hours. The direct labor rate variance is $1,100 unfavorable. Calculate the actual cost of direct labor per hour. O A. $0.59 O B. $15.00 O C. $23.13 OD. $15.59