Thanks for asking your question! I'm sorry to hear about your tax issue and I'm going to try my best to help you understand or resolve it.
I hate to be the bearer of bad news, but the deduction for goods that are resold or auctioned off by a nonprofit are limited to your cost basis in the items
This means you can only deduct what you actually paid for the items
Here's a link which outlines this tax treatment http://www.massnonprofit.org/expert.php?artid=1968
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