Calculating Departmental Overhead Rates and Applying Overhead to Production At the beginning of the year, Glaser Company estimated the following: Glaser uses departmental overhead rates. In the assembly department, overhead is applied on the basis of direct labor hours. In the testing department, overhead is applied on the basis of machine hours. Actual data for the month of March are as follows: Required: Calculate the predetermined overhead rates for the assembly and testing departments. Round your answers to the nearest cent. Assembly department overhead rate $ per direct labor hour Testing department overhead rate $5.25 per machine hour Calculate the overhead applied to production in each department for the month of March. Assembly department $ Testing department $ By how much has each department's overhead been overapplied? Underapplied? Assembly department Overapplied $ Testing department Underapplied $