r. b) Determine the operating income (loss) percentage for each year. Please make sure your final answer(s) are in percentage form and are accurate to 1 decimal place. (For example: 12.3% ) nercentace form and are acr.urate to 1 der.imal nlace (For example: 12.3% ) d) Assuming a 13% cost of capital, calculate the residual income for each year