Possibly, to add the anti-discrimination law, one of the other things that is protected against discrimination would be the computers (including kind of compute

Possibly, to add the anti-discrimination law, one of the other things that is protected against discrimination would be the computers (including kind of computers and lack of computers). Then, they cannot expect you to have a app to get a discount. Additionally, in situations where it would be reasonable, to publish the catalogs including prices and to allow them to be distributed. (My idea of a computer payment file, additionally requires that the catalog file have a proof of work field.)