The partnership of X and Y shares profits and losses in the ratio of 60 percent to X and 40 percent to Y. For the year 20X8, partnership net income was double X's withdrawals. Assume X's beginning capital balance was $80,000, and ending capital balance (after closing) was $140,000. Partnership net income for the year was:

A. $120,000

B. $300,000

C. $500,000

D. $600,000