On december 31, mercury corporation has the following data available:
net income $ 190,000
interest expense 40,000
total assets at the beginning of the year 800,000
total assets at the end of the year 760,000
total common stockholders' equity at the beginning of the year 530,000
total common stockholders' equity at the end of the year 490,000
what is return on equity? (round your final answer to two decimal places, x. xx%)