4. Green Corporation, an S corporation, had accumulated earnings and profits of $100,000 at the beginning of 2018. Bryan and Fatima each own 50% of the stock and have a basis in their stock of $50,000 on January 1, 2018. Green does not make any distributions during 2018, but had $200,000 of ordinary income. In 2019, ordinary income was $100,000 and distributions were $100,000. What is Bryan's basis at January 1, 2020?

A) $100,000

B) $150,000

C) $200,000