Crede Manufacturing Company uses a standard cost accounting system. In 2020, 28,000 units were produced. Each unit took several kilograms of direct materials and 1.6 standard hours of direct labour at a standard hourly rate of $15. Normal capacity was 48,500 direct labour hours. During the year, 117,600 kg of raw materials were purchased at $0.95 per kilogram. All materials purchased were used during the year.

f. If total budgeted manufacturing overhead was $392,850 at normal capacity, what was the predetermined overhead rate? (Round answer to 2 decimal places, e.g. 15.25.)