Disney’s next animation smash was The Little Mermaid - the last Disney feature to utilize hand-painted acetate cels...Beauty and the Beast, Disney’s next hit animation feature, was the first to use, instead of hand-painted cels, Disney’s “CAPS” computer-generated characters.
[The Black Cauldron was] The first film to utilize Disney's revolutionary Animation Photo Transfer Process, which transfers drawings to cells with greater speed and resolution than the usual Xeroxing Method;
A cel-animated feature requires over 100,000 hand-painted cels, so from Beauty there was obviously far less production artwork.
Prices at the Roger Rabbit sale went through the roof. One cel, depicting a large group of characters, sold for $50,600!