need help fixing my incorrect answers

Acquisition cost of equipment Useful life Salvage value at end of useful life Annual income generated by asset (before deducting depreciation) $500,000 5 years 0 $150,000 The following is the accelerated depreciation schedule of the equipment Year 1 2 3 4 5 Depreciation $200,000 120,000 72,000 54,000 54,000 $500,000 Total Required: Using the information provided above, complete the table given below. If there is a loss, leave the ROI column blank. (Round your "ROI" percentage answers to 1 decimal place (i.e., .1234 should be entered as 12.3).) Year Annual Depreciation ROI Based on Gross Book Value 1 $ % Income Before Depreciation $ 150,000 150,000 150,000 150,000 150,000 2 Answer is complete but not entirely correct. Average Net ROI Based on Net Average Gross Book Book Value Book Value Value $ 400,000 % $ 500,000 240,000 12.5 % 500,000 140,000 55.7 X % 500,000 81,000 118.5 500,000 27,000 355.5 X % 500,000 Income Net of Depreciation $ (50,000) 30,000 78,000 96,000 96,000 6.0 200,000 120,000 72,000 54,000 54,000 % 3 15.6 % % 4 > 19.2 5 O 19.2 %