A community produces 250 MGD of a wastewater having a BOD concentration of 225 mg/L. This community is required to install a treatment process that will reduce the BOD concentration to 25 mg/L prior to discharge. The community is considering the possibility of using an activated sludge system to achieve the requirement. Assume that the influent VSS concentration is negligible, KS is 60 mg BOD/L, kd is 0.07 day-1, µm is 5 day-1, and Y is 0.65 mg VSS/mg BOD. Assuming a VSS concentration of 2,000 mg/L in the aeration basin, what is the volume (in cubic meters) of the aeration basin?