Which Statement Is Valid About an Effective Follow-Up Note After

Which statement is valid about an effective follow-up note after an interview?

A) Target the note to arrive about three days after the interview.
B) Inquiring about compensation is strategically sound in a follow-up note.
C) If the interview went well, use the interviewer's first name to make the note more personal.
D) Email a thank-you later on the same day as the interview.