Your friend is SOL. Take half and learn from the experience. I'm not going to speculate who's fault it is.
Since your friend saw the animal in person and still moved forward with purchasing the animal, means either she was uneducated about how large the BPs should be at that age or just ignored the warning signs.
Kids, this is why you do research, research and research. Whether you do the research into the breeder you're buying from or the animal you're going to buy.
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