Mark sued a bank for injuries. He was not paying attention as he entered the bank because he was looking at his phone. And he fell suffering $10,000 in injuries. Prior to the fall, the janitor had buffed the floor. The janitor had an IQ of 70. Normally, the janitor was closely supervised. However, today his manager was extremely tired, and the manager didn't notice that the janitor had carelessly used way too much floor wax that was extremely slippery.