13. George is employed by the Quality Appliance Company. All the full time employees are allowed to purchase appliances at the company's cost plus 10%. The employee also is given, at no cost, a 1-year service contract on all the goods purchased from the company. George purchased a refrigerator for $500. The company's normal selling price for the refrigerator is $800. George also received a service contract, at no charge, that had a value of S150. During the year George was required to have his refrigerator serviced once. The cost of the call would have been $75 if he had not had the service contract. Is George required to recognize any income from the purchase of the refrigerator, the receipt of the service contract, and the service call