A kid walks into a general store, walks up to the owner and asks for a job:
The owner says. "you think you'd make a good salesman?"
The Kid says. "I don't know. I think so."
Owner says. "I'll tell you what. Next customer comes in, you watch me. If you think you can do what I do, you have a job!"
A few minutes later a customer comes in. The owner of the store says. "Can I help you?"
The customer says. "Yes. I'd like to buy a bag of grass seed."
"No problem." Says the owner as he reaches for a bag of grass seed. "Do you think you might want a lawn mower with that?"
"Lawn mower?" Says the customer...