Assume that at the beginning of the year, you purchase an investment for $5,900 that pays $80 annual income. Also assume the investment's value has increased to $6,500 by the end of the year. (a)What is the rate of return for this investment? (Input the amount as a positive value. Round your answer to 1 decimal place. Omit the "%" sign in your response.) Rate of return 1% (b)ls the rate of return a positive or negative number? Positive return on investment. O Negative return on investment