U-CAN Registered Sales Representative Qualification Exam Preparation Materials Purchased in 2021. Textbook 1 and Point & Check ① have some highlighting and a few notes, but the rest are in clean condition, untouched. Registered Sales Representative Textbooks 1-4 210-Minute Challenge Mock Exam Subject-Specific Problem Collection Correction Assignment Collection Important Point Check 1 & 2 Guidebook Job Hunting Guide