Barker Inc.'s shareholders' equity balance on January 1, 2015, was

Barker Inc.'s shareholders' equity balance on January 1, 2015, was $32,645. It reported the following account balances as at December 31, 2015:

Net income ...................................$21,340

Shareholders' equity ........................ 37,830

Preferred dividends paid .................. 7,000

Calculate the return on common shareholders' equity at December 31, 2015