Change all of the numbers in the data area of your worksheet so that it looks like this: 1 Chapter 3: Applying Excel 3 Data 4 Allocation base Machine-hours 5 Estimated manufacturing overhead cost $280,800 52,000 machine- hours 6 Estimated total amount of the allocation base 7 Actual manufacturing overhead cost $285,200 47,000 machine- 8 Actual total amount of the allocation base 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 b)By how much is the manufacturing overhead underapplied or overapplied? Either print or make a copy of your worksheet in your workbook before proceeding. You will need to refer back to this worksheet. change the estimated total amount of the allocation base to 54,000 machine-hours, but keep everything the same as area of your worksheet should now look like this