いろどり 第１課で べんきょうした あたらしい ことば です。

【Vocabulary】いろどり第1課 - Irodori Chapter 1

Goodbye. (normally said to your boss on a business scene)

Goodbye. (I'll take my leave before you. *on a business scene)

Thank you. (This word is usually  used when apologizing but in this case, you thank someone in gratitude for going out of their way for you.)

Thank you very much. (used by elder people)

You're welcome. (This usually means NO but in this case, it abbreviates the phrase "No problem.")