During February, Irving Corporation incurred $87,000 of actual Manufacturing Overhead costs. During the same period, the Manufacturing Overhead applied to Work in Process was $85,000. Prepare journal entries to record the incurrence of manufacturing overhead and the application of manufacturing overhead to Work in Process. (If no entry is required for a transaction/event, select "No journal entry required" in the first account field.) a.) Record the entry for incurrence of manufacturing overhead using various accounts. b.) Record the entry for application of manufacturing overhead to Work in Process.