1 5 poes 2 A B C Chapter 3: Applying Excel 3 Data 4 Allocation base Machine-hours 5 Estimated manufacturing overhead cost $ 395,300 ellook 6 Estimated total amount of the allocation base 59,000 machine-hours 7 Actual manufacturing overhead cost S 411,200 B Ak Actual total amount of the allocation base 64,000 machine-hours Punt Refe If your formulas are correct, you should get the correct answers to the following questions. (a) What is the Predetermined overhead rate? (Round your answer to 2 decimal places.) Predmined overheal rate $ per machine-hour (b) By how much is the manufacturing overhead underapplied or overapplied? manufacturing overhead