18:56
Your real alarm bell is Elon's curve (linked here, p. 70 https://eloncdn.blob.core.windows.net/eu3/sites/996/2019/07/2017-2018_Academic_Catalog-and-Student_Handbook.pdf) *requires* profs to give 20% of first-year students a C-minus or worse, when the school's bar for "satisfactory academic progress" is a C+ average