20 points! need asap read the formal letter. jorge smith 123 main street anytown, il 12345 mrs. parker: our annual awards banquet will be held in january. we would be honored if you would agree to be our key speaker. find all the relevant information in the attached itinerary. we will contact you in a week’s time to see if there is any other information you require and to answer any questions you might have. sincerely, jorge smith which part of the letter needs revision in order to be appropriate for a formal letter? a. the salutation b. the body c. the closing d. the signature