We’ve assumed an 8-hour work day, but any owner of a consulting company will tell you this rarely happens. Oh sure, founders work 60-80-hour weeks, but not employees.
Ok a) 8*5=40<60, b) how can anyone read this and not think “jeez this whole owner-employee system sure seems broken”. Imagine how much easier it would be to motivate people if they also had a stake in the profits