This is a correspondence course textbook set for the 1st grade Sales Representative Certification Course, designated by the Japan Chamber of Commerce and Industry and the National Federation of Societies of Commerce and Industry. Contents: 4 books 2 Textbooks 1 Sub-text (Exercise Book) 1 Exercise Problem Collection * The two textbooks are the "Sales Representative Certification Handbook" published by Cariac Co., Ltd. As this is a designated course, I believe you can get closer to passing if you thoroughly study the textbooks, sub-text, and exercise problems. There are no writings, and the textbooks, sub-text, and exercise problems are almost new, but please understand that these are used items before bidding. (Reference) The general tuition fee for the correspondence course is 33,550 yen.