At what stage is acceptance of offer by post valid? When the letter is? by Sunday | Jul 22 | Commerce WAEC | 0 comments A. written B. posted C. delivered D. replied E. read Correct Answer: Option C – delivered Users Also Read These:Who among the following generally has no capacity to…The letter titled 'Letter to my Daughter' has the…A financial institution established for the purpose…A counter offer is an offer that is?A requirement for an offer to be valid is that it should be?