I think its b, but I still think its a dirty trick. Its like when budget airlines prioritise the customers that pay to board first. If no one paid for it, or if

I think its b, but I still think its a dirty trick. Its like when budget airlines prioritise the customers that pay to board first. If no one paid for it, or if everyone paid for it, the effect would be the same, except in the latter case the airline makes extra money.