E-Business has been determined to be a way to increase profitability. Businesses may sell merchandise on the Internet to increase sales, gather information about customer's purchases and customers' buying preferences, and use this information to assist the customer the next time he or she visits the website, link other products to their website, and earn commissions from the link, they may also charge subscription fees, or provide online access to information customers want, thereby eliminating many of the personal customer contacts and consequently the number of physical business locations required. Online information provided to customers may include information about the products and services, provide "chat" opportunities for answering customer questions, and the ability for customers to post suggestions. Which of the following would most likely lead to a reduction of expenses for an e-business and possibly result in increased profits for the business as a result? a. Increase online advertising over other forms of advertising b. Increase sales hours c. Increase the interactive contact points for customers d. Increase customer base