STATEMENT SHOWING A BALANCE OF r12K WHILE I HAVE A CREDIT BALANCE WITH SUPERSONIC????????

This is the 2nd month on the row, my statement still says i owe 12k while i actually have a credit of about 4k which i paid in advance, Can this be resolved? uou contacted me promising me heaven and earth and then disappeared, can my account be fixed as this is highly unacceptable, you keep debiting me while i have a credit balance with you, what kind of finance department do you have that cant even manage a simple account.... I NEED AN IMMEDITAE RESOLUTION!!!!!