Dallas Company uses a job order costing system. The company's executives estimated that direct labor would be $6,000,000 (300,000 hours at $20/hour) and that factory overhead would be $1,600,000 for the current period. At the end of the period, the records show that there had been 280,000 hours of direct labor and $1,300,000 of actual overhead costs. Using direct labor hours as a base, what was the predetermined overhead rate