Use the commission schedule from Company A shown in the table to find the annual rate of interest earned on the investment. (Note: commissions are rounded to the nearest cent.) Principal (Value of Stock) Under $3,000 $3,000 to $10,000 Over $10,000 Commission $25+1.8% of principal $37+1.4% of principal $107+0.7% of principal The annual rate is \%. (Round to five decimal places.) What is the annual rate of interest for this loan? % (Round to three decimal places.)