Elizabeth Brown made an investment of $29,958.18. From this investment, she will receive $3,500 annually for the next 15 years starting one year from now. Click here to view the factor table. (For calculation purposes, use 5 decimal places as displayed in the factor table provided.) What rate of interest will Elizabeth's investment be earning for her? (Hint: Use Table 4.) (Round answer to O decimal places, eg. 25%) Rate of interest %