The following sentences need to be overhauled before being included in a letter. Identify lhe weakness in each statement, and revise as needed. For example, you would revise the accusatory You were not very clear to we did not understand your message. 6a. I need all the information you have about methane-powered engines. 6b. You morons have sent me the wrong software! 6c. It is imperative that you let me know of your decision by January 15. 6d. I have become cognizant of your experiments and wish to ask your advice about the following procedure. 6e. You will find the following instructions easy enough for an ape to follow.