All the following statements about predetermined overhead rates are correct, EXCEPT: a. calculated at the beginning of the accounting period once the actual amount of manufacturing overhead is known....

Extracted text: All the following statements about predetermined overhead rates are correct, EXCEPT: a. calculated at the beginning of the accounting period once the actual amount of manufacturing overhead is known. O b. calculated based on estimated total manufacturing overhead costs O c. All the given answers are correct. O d. by dividing total estimated manufacturing overhead cost by actual units of the allocation base. O e. calculated first and then multiplied by total actual units of the allocation base to compute the applied manufacturing overhead costs.