The town of Maskeliya discharges 17360 m3/d of treated wastewater into the Brownlow Creek. The treated wastewater has BOD5 of 12 mg/L and a BOD decay constant, k, of 0.12 day-1 at 20C. Brownlow Creel has a flowrate of 0.43 m3/s and an ultimate BOD, L0 of 5.0 mg/L. The DO of the river is 6.5 mg/L and the DO of the wastewater is 1.0 mg/L. Compute the DO and initial ultimate BOD, L0, after mixing.