Oriole Company has gathered the following information: Variable manufacturing overhead costs $13,230 Fixed manufacturing overhead costs $10,260 Normal production level in labour hours 9,000 Standard labour hours 9,500 During the year, 3,000 units were produced, 10,900 hours were worked, and the actual manufacturing overhead was $21.300. Actual fixed overhead totalled $10,280. Oriole applies overhead based on direct labour hours. (a) Calculate the total, fixed, and variable predetermined overhead rates. (Round calculations and final answer to 2 decimal places, e.g. 15.25.) Fixed predetermined ovehead rate per DL hour Variable predetermined ovehead rate $ per DL hour Total predetermined ovehead rate $ per DL hour