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.) (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 89,000 machine-hours, but keep everything the same as in Requirement 2. The data area of your worksheet should now look like this: (a) By how much is the manufacturing overhead underopplied or overapplied? (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 cllck 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 bose affected the precietermined overheod rate. ? The change in the estimated totol amount of the allocation base affected the amount of monufacturing overhead applied. ? Actuai manufacturing overhpad cost differs from period to period. 2. The estimated menufacturing overtead cost did not chonge in proportion to the change in the estimatod total amount of the aliocation bse. 4. Change the estimated total amount of the allocation base back to 91,000 machino hours, so that the data area of you worksheet looks exactly the same as in Requirement 2. Now change the actual manufocturing overhead cost from $801,500 to $803,700. The data area of your worksheet should now look iike this: (a) By how much is the manufacturing overhead underapplied or overapplied? (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 bos 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.) 2 the predetermined ovethead rate changed 2 The chonge in the actual manufacturing ovethead cost directly resulted in a comparable change in the amount of underapplied lovetappiedimanufotining overtead. 2 The change in the essimered total amount of the allocation base affected the amount of manufacturing overheod applied