ACCOUNTBEEN CHARGED INTEREST WHILE NOT IN ARREAS

I HAVE JUST RECEIVED A TREATHENING TELEPHONE CALL THAT MY GOODS WILL BE PICKED UP WITOUT A COURT ORDER GRANTED BY THE MAGISTRATE COURT, AND I PAID MY ACCOUNT EVERYMONTH AND BEEN CHARGED INTEREST WHILEST THE ACC IS NOT IN ARREAS, NOW I HAVE BEEN TOLD SHOULD MY ACCOUNT NOT BE PAID BY END OFF BUSS TODAY MY GOODS WILL BE DELIVERED. I NEEDED TO KNOW WHY AM I BEEN CHARGED INTEREST IF MY ACCOUNT WAS AND IS NOT IN AREAS, AND BEEN THREATEN