On January 1 of the current year, Bob's Lawn Care Service reported owner's capital totaling $122,500. During the current year, total revenues were $96,000 while total expenses were $85,500. Also, during the current year Bob withdrew $20,000 from the company. No other changes in equity occurred during the year. If, on December 31 of the current year, total assets are $196,000, the change in owner's capital during the year was:
A. A decrease of $9,500.
B. An increase of $9,500.
C. An increase of $30,500.
D. A decrease of $30,500.
E. Impossible to determine from the information provided.