Barber and Atkins are partners in an accounting firm and share net income and loss equally. Barber's beginning partnership capital balance for the current year is $285,000, and Atkins' beginning partnership capital balance for the current year is $370,000. The partnership had net income of $250,000 for the year. Barber withdrew $90,000 during the year and Atkins withdrew $100,000. What is Atkins's return on equity?