This is “Why Does a Company Need a Cost Flow Assumption in Reporting Inventory?”, chapter 9 from the book Accounting in the Finance World (v. 1.0). For details on it (including licensing), click here.
For more information on the source of this book, or why it is available for free, please see the project's home page. You can browse or download additional books there.
Joe introduces Chapter 9 "Why Does a Company Need a Cost Flow Assumption in Reporting Inventory?" and speaks about the course in general.