Exercise 11-5A Treatment of overapplied or underapplied overhead Product Costing in Service and Manufa Pxwhuska Company estimates that its overhead costs for 2018 will be $720,000 and output in units of product will be 300,000 units. Required 2. Calculate Pawhuska's predetermined overhead rate based on expected production, b. If 24,000 units of product were made in March 2018, how much overhead cost would be allocated to the Work in Process Inventory account during the month? If actual overhead costs in March were $58,800, would overhead be overapplied or underap- plied and by how much