2. Change all of the numbers in the data area of your worksheet so that it looks like this: 1 Chapter 2: Applying Excel 3 Data 4 Alocation base 5 Estimated manufacturing overhead cost 6 Estmated total amount of the allocation base 400 37,000 machine- hours 7 Actual manufacturing overhead cost 8 Actual total amount of the allocation base 784,300 80,000 machine hours If your tormulas 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? 3 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 92,000 machine-hours, but keep everything the same as in Requirement 2. The data area of your worksheet should now look like this Chapter 2: Applying Excel 3 Data 4 Allocation base 5 Estimated manufacturing overhead cost 6 Estimaled total amount of the allocation base 5800,400 92,000 machine- Actual manufacturing overhead cost 8 Actual total amount of the allocation base $784 300 80,000 machine- hours (a) By how much is the manufacturing overhead underapplied or overapplied