Cactus​ Corporation, an S​ corporation, had accumulated earnings and profits of​ $100,000 at the beginning of 2017. Tex and Shirley each own​ 50% of the stock and have a basis in their stock of​ $50,000 on January​ 1, 2017. Cactus does not make any distributions during​ 2009, but had​ $200,000 of ordinary income. In​ 2018, ordinary income was​ $100,000 and distributions were​ $100,000. What is​ Tex's basis at January​ 1, 2019?