MY HUSBAND OWES $6000 TO A REPAIR SHOP FOR HIS BIG RIG. WE HAVE ALWAYS PAID THEM, BIT THE AMOUNT OF 100.00 A MONTH HAS NOT MADE THEM HAPPY. THEY HAVE NOW TURNED OVER TO COLLECTIONS & WE HAVE BEEN PAYING THEM 200.00 FOR THE PAST 6 MO. THEY CASH SOME OF THEM, THEN SEND SOME BACK. WHAT DO I DO NOW?