just look at the bright side - the less they paid you, the less you have to pay to get it back. Car is fixed and bass comes home on Monday; you got the necessary funds and the pawn shop makes a few bucks for the loan - everybody wins
+1 - Good point - you got enough money to deal with your situation, so things worked out fine. If you'd got any more money then you would be paying (a massive rate of) interest to borrow money you didn't need to borrow in the first place!!. And .... if you really need to raise some money in the future, you won't go there again!!.