They won't have a choice ....if the bid is at .0002 and they want to buyback shares they have to pay .0002. They are allowed to by back at bid so as to not inflate the share price by buying the ask!
Information above may be speculative, based on mis-information, contain inaccurate data, be entirely tongue-in-cheek, depending on how much liquor I consume, how litigious and degree of stupidity / gullibility exhibited by the poster/reader I respond to.