A game reviewer indicates that she was paid by a game company to create her latest video review. Why should this information influence how much you are persuaded by her video?

The payment may encourage her to give the game a more positive review than normal.
The payment suggests that she is not really interested in playing games for entertainment purposes.
The payment makes her review more trustworthy, as it is a business transaction.
The payment indicates that she would not have reviewed the game for free.