Clyde had worked for many years as the chief executive of red industries, Inc., and had been a major shareholder. Clyde and the company had a falling out, and clyde was terminated. Clyde and Red executed a document under which Clyde's stock in red would be redeemed and Clyde would agree not to compete againist Red in its Geographic service area. After extenive negotiations between the 2 parties, Clyde agreed to surrender his Red stock in exchange for $600,000. Clydes basis in the shares was $143,000 and he had held the shares for 17 years. The agreement made no explicit allocation of any of the $600,000 to Clydes agreement not to compete againist Red. How should Clyde treat the $600,000 payment on his 2014 tax return?