sentences:  The Xerox Star was not originally meant to be a stand-alone computer, but to be part of an integrated Xerox "personal office system" that also connected to other workstations and network services via Ethernet.Although a single unit sold for $16,000, a typical office would need to buy at least 2 or 3 machines along with a file server and a name server/print server.Spending $50,000 to $100,000 for a complete installation was not an easy sell, when a secretary's annual salary was about $12,000 and a Commodore VIC-20 cost around $300.