Pawhuska Company estimates that its overhead costs for 2018 will be $704,000 and output in units of product will be 220,000 units. Required a. Calculate Pawhuska's predetermined overhead rate based on expected production (Round your answer to 2 decimal places.) b. If 21,000 units of product were made in March 2018, how much overhead cost would be allocated to the Work in Process Inventory c. If actual overhead costs in March were $64,700, would overhead be overapplied or underapplied and by how much? (Do not round intermediate calculations.) per unit Predetermined overhead rate b. Allocated overhead cost c Overhead costs Coverapplied