Being on a food TV show and becoming slightly famous therefor allows you to increase your prices and still keep all the seats filled. The best burger place near me has increased to $10 from $5 over roughly the same time period, in keeping with the increase in beef prices over that time.

If you use change tracking you will have a record of the creation process in some detail.

https://www.popsci.com/diy/track-changes-in-word-google-doc-pages/