In this book Cohen and Graham walk project managers through basic business concepts such as value creation, accounting and fianace, strategy, and marketing. They connect these concepts to the decisions project managers face every day. And they make it easy to apply the resulting solutions on the job through a unique business systems calculator. Readers can use the online calculator in conjunction with the book to understand how different project variables affect business outcomes, to determine the overall impact of proposed project changes, and to evaluate the economic results of many decisions they make.