Amos and Thomas form the Show Corporation during the current year. Amos owns 40% of Show's stock, Thomas owns 20%, and Arthur owns the remaining 40%. Amos paid $50,000 for his interest, and Thomas paid $25,000. Amos and Thomas are responsible for Show's daily operations and serve as co-chief executive officers. During the current year, Show Corporation has an operating income of

$60,000 and pays out $10,000 in dividends. What are Amos's and Thomas's adjusted bases in the Show Corporation stock if

a. Show Corporation is organized as a corporation?

b. Show Corporation is organized as an S corporation?