"Zensho Information Processing Certification Mock Exam Problem Collection, Grade 3, Sponsored by the National Association of Commercial High Schools, 2023 Edition" Price: ¥700 #Reference Book Information Processing Certification Text, Grade 3 ¥800 I am selling this because I passed the exam. There are some writings. Post-it notes are also attached, but I will send them as is. It seems the content was easy to understand."