Aide Industries is a division of a major corporation. Data concerning the most recent year appears below: Sales $18,120,000 Net operating income $1,177,800 Average operating assets $4,450,000 The division's margin is closest to: (Round your answer to 1 decimal place.)

A. 6.5%

B. 27.7%

C. 26.5%

D. 34.2%