What issue was addressed by the United States Supreme Court in the case Old Colony Trust Co. v. Commissioner, 279 U.S. 716 (1929)? Question 3 Answer Purchase of an airline ticket with Citibank credit card "thank you points" Status of treasure trove as income Payment of an employee's income taxes by the employer Taxation of an all-expense paid trip provided by an employer to an employee Taxation of income from illegal activities