Which of the following statements about interview thank-you messages is correct?
a. To avoid appearing as overzealous, an applicant should wait at least two to three days before sending a thank-you note.
b. To personalize a thank-you message, an interviewee should begin each sentence in the thank-you message with the personal pronoun I.
c. Thank-you messages are not important to employers.
d. Separate thank-you messages should be sent to each interviewer.