Carter Corporation had net income of $250,000 and paid dividends of $50,000 to common stockholders and $20,000 to preferred stockholders in 2008. Carter Corporation's common stockholders' equity at the beginning and end of 2008 was $870,000 and $1,130,000, respectively. There are 100,000 weighted-average shares of common stock outstanding.

Carter Corporation's return on common stockholders' equity was?

a. 25%

b. 23%

c. 20%

d. 18%

What was the earnings per share?