Cabal Products is a division of a major corporation. Last year the division had total sales of $28,770,000, net operating income of $1,611,120, and average operating assets of $5,754,000. The company's minimum required rate of return is 10%.

The division's margin is closest to: (Round your answer to 1 decimal place.)

5.6%

28.0%

56.0%

20.0%