Unless the both of them make a point of hiring serving girls who are both blind and deaf, they'll be familiar with the feud between their employers. I'd wager my entire coin purse that this isn't an isolated incident.

[And the history of this little disagreement would be, in his opinion, useful to have - if only to inform how steep they should suggest those fines be in order to avoid having to go through all of this again in a tenday when one of the fools swaps flour for sawdust, or does something that could be actually harmful rather than irritating if missed.]