Question 39 (0.02 points) A firm currently has an average tax rate of 20 percent and a marginal tax rate of 25 percent based on current taxable income of $40,000. What will the firm's average tax rate be if it increases its taxable income by an additional $10,000? Please record your answer using the following format (12.54). Record your answer to two decimal places. While the answer should be given as a percentage, do NOT place a "%" directly after the number. Do not type the parentheses: just type the number