It now costs twice as much to upgrade the entry-level MacBook Pro 13 from 8 GB to 16 GB of RAM. RAM prices remain unchanged on other Apple products though, and the increase makes the Ice Lake MacBook Pro 13 just US$100 more expensive than a comparably-equipped Coffee Lake model.
https://www.notebookcheck.net/Apple-MacBook-Pro-RAM-upgrade-now-costs-twice-as-much-for-the-13-inch-model.467567.0.html