Change the estimated total amount of the allocation base to 96,000 machine-hours, but keep everything the same as in Requirement 2. The data area of your worksheet should now look like this A " C 1 Chapter 3: Applying Excel 2 . Data Alocation base Machine-hours 5 Estimated manufacturing overhead cost 12,000 6 Estimated total amount of the alocation base 7 Actual manufacturing overhead col Actual total amount of the location base 96.000 machine-hours 0,700 80.000 machine hours (a) By how much is the manufacturing overhead underapplied or overapplied? manufacturing werhead (b) Why is the amount of underapplied (overapplied) manufacturing overhead different from Requirement 2 above? (You may select more than one answer. Single click the box with the question mark to produce a check mark for a correct answers and double click the box with the question mark to empty the box for a wrong answers. Any boxes left with a question mark will be automatically graded as incorrect.) The change in the estimated total amount of the allocation bese affected the predetermined overhead rate The change in the estimated total amount of the allocation base affected the amount of manufacturing overhead applied Actual manufacturing overhead cost differs from period to period The estimated manufacturing overhead cost did not change in proportion to the change in the estimated total amount of the allocation base