Selling Watermelons
An old man was selling watermelons.
His pricelist reads: 1 for $3 and 3 for $10.
A young man stopped by and bought 3 watermelons,
one by one, paying $3 for each.
As the young man was walking away, he turned around
and said, "Hey old man, do you realize I just bought
3 watermelons for $9 instead of for $10?
Maybe business is not your thing."
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The old man smiled and mumbled to himself,
"People are funny. Every time they buy three watermelons
instead of one, yet they keep trying to teach me
how to do business..."