Jackson is a private company whose management accountant team is evaluating the performance of its investment centre. The company manufactures phones. So it is using different measures recommended to look at its success or failure. The tests he wants to carry out are the following using the table below: December 2020 financial information Current liabilities ( non interest bearing)

$ 56,700 Bond payable $ 105,600 Equity $ 250,000 Cash $ 55,000 A/C Receivable $ 43,000 Inventory $ 27,900 Non Operating Asset $ 128,900 Accumulated Depreciation $ 7,500 Operating Expenses $ Supplies expense 14500 Utilities Expense 8,750 Depreciation Expense 7200 Rent expense 9,200 Training expenses 6700 Revenue 106,200 Unearned Revenue 24,000 COGS 31,000 Interest on debt 8.5% Risk free Rate 4.5% Cost of debt 7.3% Market return 9.4% Market Risk 1.2 OA in Jan 2020 $210,000 Tax Rate 17% Note : Company uses gross PPE [including accumulated Depreciation]

5. What is the ROI [return on investment] of the company? 6. Use two component method to calculate ROI and indicate which component contributed most [Profitability or efficiency] 7. Calculate Residual Income [RI ] 8. What is the main difference in calculating ROI and RI? 9. What is the main disadvantages of both ROI and RI