Electronic business (e-business) is any business transaction or information exchange that is executed using information and communication technology. E-business is expected to grow significantly over the coming years. It provides opportunities for a company to expand sales throughout the world and may lower costs significantly relative to paper-based transactions. It also facilitates value-chain (supply) management. Management accountants need to understand the benefits and risks of E-business as well as its opportunities. They also play a vital role in providing relevant cost information concerning e-business. For example,managers may need to know the cost per electronic transaction versus the cost per paper transaction.