Questions 49-51 refer to the following letter. Toppo Travel. Inc. Mr. Noyce Adams 424 Lenox St Orange, MA 01388 Dear Mr. Adams, At the end of this year, Toppo travel will celebrate its twentieth year as a successful operator in the leisure industry. With modern hotels, exciting itineraries, and beautiful locations, our all-inclusive, organized tours have remained the most loyal customers in the celebration of our success. Our records indicate that since you became a customer five years ago, you have booked six trips with us. We would like to invite you to an evening of exotic fare and tropical sounds, which will be held on December 1 in the Grand Ballroom of the Panorama Hotel. The benefit will consist of delicates from the 16 countries that are featured in our catalog for the new season. Bans from Cuba, Mali, and Slovenia will lend an exuberant atmosphere to the event. Sincerely. Jim Bull Director Customer Relations Toppo Travel. Inc. For how many years has Mr. Adams been traveling with Toppo?
A. Five years B. Six years C. Ten years D. Twenty years