What is your average tax rate if you pay taxes of $8516 on taxable income of $49510? (Reminder: Enter your answer as a decimal, not a percentage.) Your Answer: Answer Question 28 (0.5 points) Two years ago, selected automobiles had an average cost of $15000. The average cost of the same automobiles now is $17000. What was the annual rate of increase in the average price of these automobiles? (Reminder: Enter your answer as a decimal, not as a percentage.) Your