ABC Corporation uses a predetermined overhead rate base on machine-hours that it recalculates at the beginning of each year. The company has provided the following data for the most recent year. Estimated total fixed manufacturing overhead $ 534,000 from the beginning of the year Estimated activity level from the beginning of the 30,000 machine- year hours Actual total fixed manufacturing overhead I$ 487,000 Actual activity level 27,400 machine- hours The predetermined overhead rate per machine-hour would be closest to: $19.49 $16.23 $17.77 $17.80