Macgregor had a contract to fight Diaz.
He got paid for the time being in the ring, IN WHICH he hit Diaz 166 times.
The security guard had a contract for his time, probably about $12 an hour.
The can was in contact with his head about 1 second.
There are 3,600 seconds in an hour.
$12.00 ÷ 3600= >1¢