. Operating expenditure decreased by 6% due to the construction costs, which decreased by R20 million emanating from less spending on Nandoni replacement of GRP pipes due to delays in appointing PSPs. The pumping cost decreased by R23 million due to less pumping demand on the Vaal river system. Travelling costs also decreased by R33 million; . There was an increase in employee costs (7% increase compared to 2010/11) due to annual salary adjustments; and . A decrease in impairment on financial assets of 78% due to the management analysis that the historic plus current impairment provision on debtors is sufficient. This is perceived as a revenue turnaround plan. There was an increase in total assets (2% compared to 2010/11), due to the following: