Wow, did RAM cost a lot back when S-100 Bus-based computers were big stuff.
As a point of comparison, consider today’s featured deal at NewEgg.com: 2 Gigs of RAM for $144.00. That’s more than 30,000 times the storage space for about one-tenth the price. The deal gets better if you expend the effort to mail in the form for the $50.00 rebate.