Keeran Corporation estimates that its variable manufacturing overhead is $5.80 per machine hour and its fixed manufacturing overhead is $252850 per period If the denominator level of activity is 6.500 machine-hours, the predetermined overhead rate would be: Multiple Choice 0 $580.00 per machine-hour 0 $5.00 per machine-hour $4470 per machine-hour $38.90 per machine-hour