Instructions for doing that are given below. I've gone to the Homicide system of keeping track of homework done.
Problems are red when they are assigned, and turn to black after they are solved.
Put your name at the bottom of the last page. Problem 5 in Chapter 5. Different versions of Eudora may differ slightly on this point, and there may be more than one way to do the same thing. For example, you might be able to click on an icon with a little paperclip figure on it, and attach a message directly. Then you send the message, and the attached file goes along.