Altex inc manufactures two products. car wheels and truck wheels. To determine the amount of overhead to assign to each product line, the controller, Robert Hermann, has developed the following information Total estimated overhead costs for the two product lines are $854,400. (a1) Calculate overhead rate. (Round answer to 2 decimal ploces, es. 12.25. Overhead rate per direct labor hour Attempts: 0 of 1 used (a2) The parts of this question must be completed in order. This part will be available when you complete the part above. (b) The parts of this question must be completed in order. This part will be available when you complete the part above