A) I would return a card that expensive even if it has a slight smudge on it
B) Nobody can possibly know that you tested it
C) I think you are just trolling. And, we all just fed you
D) If C is not true, return the card, take back your money and convince the guy to buy you a pizza
E) Enjoy that pizza and buy a new graphics card from reputed sources
F) Enjoy that gaming