Heathkit The H89 was available both in kit form for $1595, and fully assembled form as the WH89 for $2295. https://en.wikipedia.org/wiki/Heathkit_H8#H89
Apple ][+Apple ][+
Thinking it was $1595, but not sure, know it was the 48 KB version, and that the introductory price was $1195 for the 16 KB, so I am thing 32
FORTRAN IVFORTRAN IV
Fortran; formerly FORTRAN, derived from Formula Translation) is a general-purpose, compiled imperative programming language that is especially suited to numeric computation and scientific computing.
BASICBASIC
Beginner’s All-purpose Symbolic Instruction Code is a family of general-purpose, high-level programming languages whose design philosophy emphasizes ease of use. Variants will include: Atari BASIC Integer BASIC and later Applesoft
RSTS/ERSTS/E
A multi-user time-sharing operating system The PDP-11 is a series of 16-bit minicomputers sold by Digital Equipment Corporation (DEC) from 1970 into the 1990s, one of a succession of products