A Company uses a job-order costing system with a single plantwide predetermined overhead rate based on direct labor cost. The company based its predetermined overhead rate for the current year on total estimated manufacturing overhead cost of 40% of direct labor cost. The job cost sheet of Job 2121 shows that the number of units in this job order is 50 units which incurred total of 90 labor-hours. This job consumed $30/unit of direct materials cost and $90/hour of direct labor. What would be the total manufacturing cost for Job 2121 approximately? a. $12,840 O b. $9,600 O c. $11,340 O d. None of the given answers. O e. $4,740 Which of the following is correct with respect to closing out overapplied manufacturing overhead to Cost of Goods Sold versus closing it out to Work-in-Process Inventory, Finished Goods Inventory, and Cost of Goods Sold? O a. Operating income will be higher if all of the overapplied overhead is closed out to Cost of Goods Sold. b. The balance in the Work-in-Process account after allocation will be higher if the overapplied overhead is closed out by allocating it to all appropriate accounts. Oc Cost of Goods Sold will be lower if the overapplied overhead is closed out by allocating it to the inventory accounts as well as to Cost of Goods Sold. Od. The balance in the Work-in-process account after allocation will be the same under either method. e. None of given answer is correct