Getting rid of debt

Our six monthly water bill arrived yesterday. It was $44.85, with our discount we have to pay $40.36. We've worked hard to reduce our water consumption and as the price of water has been rising - from 78 cents/kilolitre in 2002 when our bill was $248.20; 78 cents in 2004 when our bill was $148.20; 95 cents/kl in 2006 when our bill was $101.65 to 115 cents/kl now when our bill is $44.85, we have