EE AabDL Abd Adb Anh c AnhCod 1 Normal 1 No Spac. Heading 1 Heading 2 Title Subtitle Subtle Em Paragraph G Styles 4. Calculating Rate of Return. Assume that at the beginning of the year, you purchase an investment for $5,600 that pays $125 annual income. Also assume the investment's value has increased to $5,900 by the end of the year. a. What is the rate of return for this investment? b. Is the rate of return a positive or negative number