COMPUTER HARDWARE, COMPUTER SOFTWARE, AND SERVER-BASED SOFTWARE FOR THE FACILITATION OF ELECTRONIC TRANSACTIONS, NAMELY, GENERATING PURCHASE REQUESTS, MANAGING PURCHASE TRANSACTION DETAILS AND HISTORY ON A GLOBAL COMPUTER NETWORK, ON CORPORATE COMPUTER INFORMATION AND COMMUNICATION NETWORKS, AND SOFTWARE FOR THE PROVISION OF INFORMATION REGARDING BUSINESS TRANSACTIONS, AND USERS' MANUALS SOLD TOGETHER THEREWITH AS A UNIT