If you are purchasing an electronic version, MyAccountingLab does not come automatically packaged with it. To purchase MyAccountingLab, please visit www.MyAccountingLab.com or you can purchase a package of the physical text and MyAccountingLab by searching for ISBN 10: 0133138445 / ISBN 13: 9780133138443. Horngren: Cost Accounting leads the market because of its strong emphasis on decision making, extensive real-world examples provided in a modular, flexible format and is supported by a large quantity and range of assignment material. This text focuses on how cost accounting helps managers make better decisions by using financial and nonfinancial information better.