Question 3 (13 marks) Bergamo Bay Co. uses enterprise resource planning (ERP) system to combine the business activities with accounting activities. ERP system provides an integrated and continuously updated view of core business processes. The system can track business resources, i.e. cash, raw materials, etc., and shares data across various departments (manufacturing, purchasing, sales, accounting, etc.), and various stakeholders of the company. The system also can provide timely information and report to variable users within the company. On December 31, 2019 ERP system generated the following trial balance. The company's manager knows something is wrong with the trial balance because it does not show any balance for Work in Process Inventory but does show a balance for the Factory Payroll and Factory Overhead account. Debit Credit Cash $ 57,600 Accounts receivable 50,400 Raw materials inventory 31,200 Work in process inventory Finished goods inventory 10,800 Prepaid rent 3,600 Accounts payable $ 12,600 Notes payable 16,200 Common stock 36,000 Retained earnings 104,400 Sales 216,000 Cost of goods sold 126,000 Factory payroll 19,200 Factory overhead 32,400 Operating expenses 54,000 Totals $ 385,200 $ 385,200 After examining various files, the manager identifies the following six source documents that need to be processed to bring the accounting records up to date. Materials requisition 21-3010: $ 5,520 direct materials to Job 402 Materials requisition 21-3011: $ 9,120 direct materials to Job 404 Materials requisition 21-3012: $ 2,520 indirect materials Labor time ticket 6052: $ 6,000 direct labor to Job 402 Labor time ticket 6053: $ 9,600 direct labor to Job 404 Labor time ticket 6054: $ 3,600 indirect labor Jobs 402 and 404 are the only units in process at year-end. The predetermined overhead rate is 200% of direct labor cost