ROUGH 
COST ESTIMATES IN % 
FOR ANALYTICAL PLOTTER COMPONENTS 
PARTS 1972" 
OPTICAL & MECHANICAL 30 % 
SERVOS & INTERFACE 50 % 
(6 SERVOS) 
COMPUTER & SIMPLE 80 4 
PERIPHERALS 24 7 
* BASED ON % OF 1976 TOTAL 
SUM 
Figure 1 
TRENDS OF COST 
costs Á 
per 
unit 
system costs 
hardware 
software