The role of a butler is a specialized profession.

This is especially true if the butler is managing a bourgeois household with numerous business ventures or a noble family with a long history.

While they may not deal with matters on par with the royal treasury, the amount of money they handle isn't something that can simply be recorded in a household ledger like in an ordinary family.

Though calculators, mechanical devices, and computers of a sort existed in this world, they were far slower and more complex compared to the devices powered by semiconductors in my world. Thus, the …