A $100 investment purchased one year ago is now worth $90. It also generated $10 of income during the year. Determine the investment's: 0. Income yleld (Do not round the intermediote calculations. Round your answer to 2 decimal places. Negative onswers should be indicated by minus sign.) Income yleld b. Capital gain yleid (Do not round the intermediate calculations. Round your onswer to 2 decimal places. Negative answers should be indicated by minus sign.) Capital gain yleld c. Rate of total retum (Do not round the intermediate calculations. Round your answer to 2 decimal places. Negotive answers should be indicated by minus sign.) Rate of total return