gilchrist corporation bases its predetermined overhead rate on the estimated machine-hours for the upcoming year. at the beginning of the most recently completed year, the corporation estimated the machine-hours for the upcoming year at 35,900 machine-hours. the estimated variable manufacturing overhead was $4.80 per machine-hour and the estimated total fixed manufacturing overhead was $945,606. the predetermined overhead rate for the recently completed year was closest to: multiple choice $31.14 per machine-hour $30.14 per machine-hour $4.80 per machine-hour $26.34 per machine-hour