a. (11 marks) Prepare the company's flexible budget performance report for November. Label each variance as favorable (F) or unfavorable (U). b. (6 marks) "The principal purpose of the cash budget is to see how much cash the company will have in the bank at the end of the year." Do you agree? Explain. Q4 (20 marks) ABC company employs a traditional costing system and applies manufacturing overhead to its products using a predetermined overhead rate based on direct labor-hours. The company has two products, AR and BS, about which it has provided the following data: The company's estimated total manufacturing overhead for the year is $3,485,185 and the company's estimated total direct labor-hours for the year is 74,360 . The company is considering using a variation of activity-based costing to determine its unit product costs for external reports. Data for this proposed activity-based costing system appear below: (For all requirements, round your intermedlate calculations and final answers to 2 decimal places.) Required: a. (2 marks) Determine the unit product cost of each of the company's two products under the traditional costing system. b. (10 marks) Determine the unit product cost of each of the company's two products under activitybased costing system. c. (8 marks) ey giving examples, please explain why do companies use predetermined overhead rates rather than actual manufacturing overhead costs to apply overhead to jobs