I owe an insurance company money. its been about 6 months before i got a letter from there lawyer. stating they wanted to get it resolved. tryed to tell me they would not except $250, so i just started sending the insuarance co. that amount and am on the third payment. Now the lawyer wants me to pay them at 12% interest going back 10 months.And send it to them. Along with a promissary note. What can i do?