@Bonga, We have received ...
Published by Water Network Research, Official research team of The Water Network
@Bonga, We have received requests for more information in order to answer your question. "There are numerous of tariff models; most of the water companies use their own model. where is it for? Cashflow calculations, Balance sheet? What kind of tariff you want to calculate? Average, incremental? Please provide more details of your particular case. Thank you