sentences:  When the resulting Xerox Star system was announced in 1981, the cost was about $75,000 ($ in today's dollars) for a basic system, and $16,000 ($ today) for each added workstation.The Star was developed at Xerox's Systems Development Department (SDD) in El Segundo, California, which had been established in 1977 under the direction of Don Massaro.A section of SDD, "SDD North", was located in Palo Alto, California, and included some people borrowed from PARC.