This book is designed to start with simple examples thatprogressively develop the reader's confidence to take on morecomplex tasks. There is very little theoretical discussion aboutcomputer science, operations research algorithms, mathematics, orfinance. The thrust of the book is to teach the reader to breakcomplex tasks down into simple tasks. It then looks to implementthose simple tasks into VBA code using a critical subset of thefeatures of the language. pThe tentative contents is 1 Why What Who Where and How2 Common Sense 3 Securitizing A Loan Portfolio 4Understanding the Excel Waterfall 5 Designing the VBA Model 6Laying the Model Groundwork 7 Recorded Macros A First Look atthe VBA Language 8 Writing Menus An Introduction to Data, Ranges, Arrays, and Objects 9 Controlling the Flow of the Model10 Building Messaging Capabilities 11 Designing theModel's Reports 12 Main Program and Menus 13 Writing theCollateral Selection Code 14 Calculating the Cash Flows 15Running the Waterfall Produ