Question 20 (Mandatory) (1 point) Wal-Mart Stores has an extensive computer network that allows its suppliers to communicate with the firm and access sales information. This network is an example of an A) Internet OB) extranet Oc) Intranet D) e-mail system Question 21 (Mandatory) (1 point) E-marketing is essentially the same thing as e-commerce True False Question 22 (Mandatory) (1 point) Marketing's function of bringing buyers and sellers together is now being done faster and more efficiently than ever before through the Internet True False