a. NA b. NA NA Exercise 11-4A Calculating applied overhead Aurora, Inc. estimates manufacturing overhead costs for the 2019 acceunting period as follows: Equipment depreciation Supplies Materials handling Property taxes Production setup Rent Maintenance Supervisory salaries $344,000 42,000 68,000 30,000 42,000 70,000 60,000 244,000 The company uses a predetermined overhead rate based on machine hours. Estimated hours for labor in 2019 were 200,000 and for machines were 125,000. Required a. Calculate the predetermined overhead rate. b. Determine the amount of manufacturing overhead applied to Work in Process Inventory during the 2019 period if actual machine hours were 140,000