Q4. For each of the three Southern Water Corp. Desalination Plants, they produce desalinated water which is then consumed via private, public or residential usage. These costs are then aggregated at a Unit Level, separated into Chemical Costs, Facility Costs, Operational Maintenance Costs and Labour Costs. Please calculate the monthly expenses for Kootha, Surjek and Jutik and put this in the table below. What trends are you able to pick up from completing the table below?