Q-dot Manufacturing uses a predetermined overhead allocation rate based on direct labor hours. It has provided the following information for the year: Manufacturing overhead costs allocated to production Actual direct materials cost Actual direct labor cost Actual direct labor hours Estimated machine hours $185,000 $540,000 $2,460,000 9,490 direct labor hours 80,000 machine hours Based on the above information, calculate Q- dot's predetermined overhead allocation rate. (Round your answer to two decimal places.) O A. $1.03 per machine hour O B. $19.49 per direct labor hour O c. 34.26% of direct materials cost O D. 7.52% of direct labor cost