GM Company calculates its predetermined overhead rate based on estimated machine- hours for the upcoming year. At the start of the most recently completed year, the company estimated the machine-hours for the upcoming year at 25,500 machine-hours. The estimated variable manufacturing overhead was $7.70 per machine-hour and the estimated total fixed manufacturing overhead was $657,900. The predetermined overhead rate for the recently completed year was: Multiple Choice $7.70 per machine-hour $33.50 per machine-hour $31.42 per machine-hour $25.80 per machine-hour