Here's some grist for the mill Sept 21, 1987 — "Smalltalk-80 costs from $2,995 to 3,995 on Unix workstations and from $695 to $995 on the Macintosh." https://

Here's some grist for the mill Sept 21, 1987 — "Smalltalk-80 costs from $2,995 to 3,995 on Unix workstations and from $695 to $995 on the Macintosh." https://books.google.com/books?id=ldk7z4Q-WWYC&pg=RA4-PA4&lpg=RA4-PA4&dq=parcplace+systems+smalltalk+unix&source=bl&ots=wu-wjvvhER&sig=ACfU3U0OVJz47CQJVgfudtu9NlAonZ7wDQ&hl=en&sa=X&ved=2ahUKEwjc8dDK87n1AhVVH0QIHV50Alc4ChDoAXoECA8QAw#v=onepage&q=parcplace%20systems%20smalltalk%20unix&f=false https://books.google.com/books?id=ldk7z4Q-WWYC&pg=RA4-PA4&lp...