Determine the peak sewage flow for a town $(5000$ people$)$ having an

area of $3000$ ha$.$ The residential area is $50\%$ of the total area, whereas commercial and

industrial areas are $30\%$ and $20\%$ of the total area, respectively. The wastewater from the

residential area is estimated to be $800$ L$/$per capita$/$day$.$ The sewage from commercial and

industrial areas is estimated to be $20000$ L$/$ha$/$d and $30000$ L$/$ha$/$d$,$ respectively.