Size a bioretention basin for a 1300 ft2 pavement and 2.0 in. of rainfall. The bioinfiltration basin includes 2.5 ft thick soil mix, 10 in. thick sand, 1.0 ft deep depression, and 3 in. thick mulch. Estimate the porosity of soil, sand, and mulch at 15%, 35%, and 40%, respectively. The basin abuts the pavement.