For more than a decade, well-known consultant and business professor Wayne Winston has been teaching corporate clients and MBA students the most effective ways to use Microsoft Office Excel for data analysis, modeling, and decision making. Now this award-winning educator shares the best of class experience in this guide, practical business-focused - updated and expanded for Excel 2007. You will learn how to make the best, worst, and most likely scenarios for sales, estimate a product's demand curve, forecast using trend and seasonality, and determine the product mix will yield the greatest benefits.