Walton, Inc. estimates manufacturing overhead costs for the Year 3 accounting period as follows. Equipment depreciation Supplies Materials handling Property taxes Production setup Rent Maintenance Supervisory salaries $191,100 20,300 32,600 14,000 20,000 44,600 39,500 367,500 The company uses a predetermined overhead rate based on machine hours. Estimated hours for labor in Year 3 were 213,000 and for machines were 128,000. Required a. Calculate the predetermined overhead rate. (Round your answer to 2 decimal places.) b. Determine the amount of manufacturing overhead applied to Work in Process Inventory during the Year 3 period if actual machine hours were 143,000. (Do not round intermediate calculations.) a. per machine hour Predetermined overhead rate b. Applied manufacturing overhead