introduced in 1978, priced at $100
Programmable
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H89H89
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