The answer I selected was B and it was wrong....This is how I calculated using this equation Net income - preferred dividend / average stockholders' equity. What am I doing wrong?

The below financial data can be found in the income statement and balance sheet of Company XYZ at the year end of 2018. What is the return on common stockholders' equity? Preferred dividend Average Average stockholders' preferred equity stock Company XYZ Net income In dollars 450,000 25,000 525,000 35,000 A) 86.73% B) 82.37% C) 75.72% D) 68.92%