McDonald's

On several occasions, I visit McDonald's on Wednesday's. The location is 805 Vasco Rd. Livermore Ca.
On Wednesdays' its the Manager Special the Hamburgers and Cheeseburger are half price so I always pick two up.
On several occasions I noticed the Manager, I don't his name. Spanish dark hair in his thirties. He only works in the evening.
Well, what he does is, like today I forgot to order a soda, I gave him a dollar he balled it up in his hand and gave me the cup. That has happened many times if you give him cash. Or he will take my order (cash only) cancel and keep the cash. I often think about the children he is taking from.