help please #16

You currently have $14,400 in your investment account. You can earn an average rate of return of 11.7 percent per year. Determine how long (years) will you have to wait until your account is worth $50,000. Please record your answer using the following format (16.50). Record your answer to two decimal places. For example, if the answer is 16 years and three months write the answer as follows: (16.25). Finally, do not add the 'years' to your answer. Do not type the parentheses: just type the number! Your