1 Chapter 2: Applying Excel 3 Data 4 Allocation base 5 Estimated manufacturing overhead cost 6 Estimated total amount of the allocation base Machine-hours $560,900 79,000 machine $563,700 hours 7 Actual manufacturing overhead cost 8 Actual total amount of the allocation base 83,000 machine hours 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.) per machine- hour edetermined overhead (b) By how much is the manufacturing overhead underapplied or overapplied? manu overhead