WTF?
Is there a law that you have to be able to produce a receipt for everything in your restaurant? If so, that's bullshit. If not, what's the basis for telling him to dispose of it? What does the fact that it's a guinea pig have to do with it?
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Purveyor of Doc Hope's [link|http://DocHope.com|fresh-baked dog biscuits and pet treats].
[link|http://DocHope.com|http://DocHope.com]