O'Reilly Corporation uses direct labor-hours to calculate its annual plantwide predetermined overhead. For the current period's estimated level of production, O'Reilly Corporation estimated that 42,000 direct labor-hours would be required. Estimated fixed manufacturing overhead cost is $511,000 for the current period and variable manufacturing overhead cost of $3.00 per direct labor- hour. O'Reilly Corporation's actual manufacturing overhead cost for the period was $710,458 and its actual total direct labor was 42,500 hours.. Required: Compute the company's plantwide predetermined overhead rate for the year. (Round your answer to 2 decimal places.) Predetermined overhead $ rate 15.17 per DLH