CableTV, an accrual basis taxpayer, allows its customers to pay by the month, by the year, or two years in advance.In December 20X5, the company collected the following amounts applicable to future services: 20X6 services (monthly contracts), $15,000 20X6 services (annual contracts), $19,000 20X7 services (2-year contracts), $19,000 The minimum income from the above that must be reported as gross income in 20X5 is:

a. 0 b- 15000 c- 34000 d- 38000 e- 53000