Im sorry that you are having a problem with the payment refund right now, that sucks.
I will 100% vouch for
TrafficHaus | Solutions for Adult Publishers and Advertisers and
Media Reps - Online Representation for Independent Publishers
their team is incredibly professional, their technology is great, and the traffic is awesome for us. you will not get burned on the refund. I would pay it you out of my own pocket knowing that they will cover it.