Problem 13-4 Calculating Rate of Return [LO13-2] 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? Note: Input the amount as a positive value. Enter your answer as a percent rounded to 2 decimal places. b. Is the rate of return a positive or a negative number? Positive: Negative