Answer each of the following questions in approximately 200 words. Fine particulate matter (PM2.5) is one of the major air pollutants. It is mainly released during fuel combustion and power generation. The table below shows total damages and total abatement costs associated with different levels of daily PM2.5 concentrations across a region. PM2.5 (ug/m3) 109876543210 Total Damages Avoided (S, mil) Total Abatement Costs (S mil) 0 50 90 120 140 150 155 159 162 164 165 0 10 25 43 64 89117 147 179213248 1. Explain the meaning of 'total damages' and 'total abatement costs' using this example. For instance, considering that PM2.5 is an air pollutant, provide some real-world examples. (10 marks)