Marcel is the former chief executive officer and chairman of the board of Donovan Technology. He is a member of the board of directors and has the title of chairman emeritus. Marcel and his wife enjoy having parties and entertaining clients of Donovan. During the current year, Marcel spends $15,000 entertaining clients of Donovan and other business associates. The entertainment is not expected of Marcel in his current role. Company policy limits reimbursement for entertainment expenses to the chief executive officer and the chief financial officer. What amount of the entertainment expenses can Marcel deduct on his individual tax return?