Vaughan Company has 3 divisions with the following information: Division A Division B Division C Sales $750,000 $700,000 $360,000 Net Operating Income $20,000 $34.000 $36,000 Average Operating Assets $200,000 $500,000 $300,000 Minimum Required Rate of Return 12% 6% 11% What Vaughan Company's (company as a whole) Return on Investment? (Answer in numbers only, do not round -for example if your answer is 17.6% place 17.6 in the answer box)