At what stage is acceptance of offer by post valid? When the letter is? By: Sunday|Published on: Jul 22|Categories: Commerce WAEC| 0 comments A. written B. posted C. delivered D. replied E. read Correct Answer: Option C – delivered Users Also Read These:Which of the following requires acceptance before it can be…A requirement for an offer to be valid is that it should be?Which of the following stages of the SDLC is post…SS3 First Term English Language Lesson Note – Letter…Which of the following is not a requirement for a valid…SEE ALSO An issuing house is an outlet for?