Example: tourism industry
31 Days Before Your Ccna
Found 1 free book(s)Introduction to Networking
do1.dr-chuck.netearly days of telephones, local calls were generally quite inexpen-sive. But long-distance calls were more expensive and they were charged by the minute. This made sense because each minute you talked on a long-distance call, your use of the long-distance wires meant no one else could use them. The telephone compa-