Businesses that engage in EDI with each other are called ____. buyers suppliers sellers trading partners A(n) ____ is an independent firm that offers connection and transaction-forwarding services to buyers and sellers engaged in EDI. VAN ERP EFT LAN The return-on-investment numbers are difficult to calculate for investment in electronic commerce because: the costs and benefits are hard to quantify information technology is difficult to acquire sale/purchase prices are unstable the workforce keeps changing A(n) ____ is a specific collection of business processes used to identify customers, market to those customers, and generate sales to those customers. industry value chain revenue model strategic alliance value-added network The group of logical, related, and sequential activities and transactions in which businesses engage are often collectively referred to as business ____. services logistics processes communications Some researchers define a fourth category of electronic commerce called ____, which includes individuals who buy and sell items among themselves. C2C C2B B2B B2C A(n) ____ is a set of processes that combine to yield a profit. value system shipping profile industry value chain business model Electronic funds transfers are also called ____. wire transfers money transfers business transfers telephone transfers