When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Ummm... $500 - what is there to argue about? You own 5000 shares in total and you sell it at $0.50. That's $2, 500 and you invested $3, 000 - so a loss of $500.