World Company expects to operate at 60% of its productive capacity of 19,000 units per month. At this planned level, the company expects to use 4,560 standard hours of direct labor. Overhead is allocated to products using a predetermined standard rate of 0.400 direct labor hours per unit. At the 60% capacity level, the total budgeted cost includes $13,680 fixed overhead cost and $86,640 variable overhead cost. In the current month, the company incurred $43,460 actual overhead and 1,210 actual labor hours while producing 4,200 units. (Do not round intermediate calculations. Round "OH costs per DL hour" to 2 decimal places.)