Read the rest of chapter 6 up to where it begins to cover vendors. Practice looking up customers using the Quick Filter. Create your own User Filter. Use the Advanced Find feature to search for a word that you know exists in a customer contact log. In preparation for Lesson 2, it is important to read about the different types of invoice items and how they impact your reports.You will find that information in Lesson 2, next. Please read the section called “Introducing Invoice Item Types”.