cant figure this out

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 Hermunn, has developed the following information. Total estimated overhead costs for the two product lines are $763.200 (a1) Your anwwer is incorrect. Calculate over head rate. (Round annwer to 2 decimal ploces, ex 12.25 .)