Walton, Inc. estimates manufacturing overhead costs for the Year 3 accounting period as follows. Equipment depreciation Supplies $190,400 20,700 Materials handling 32,300 Property taxes 13,600 Production setup 19,500 Rent 44,900 Maintenance 39,600 my won Supervisory salaries 224,000 The company uses a predetermined overhead rate based on machine hours. Estimated hours for labor in Year 3 were 208,000 and for machines were 130,000 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 145,000 (Do not round intermediate calculations.)