A regenerative Rankine cycle utilized the schematic of the figure below. Conditions: T1 = 450oC, P1 = 3 MPa, T2 = 250oC, P2 = 0.4 MPa, T3 = 150oC, P3 = 0.1 MPa, P4 = 0.01 MPa, T9 = 140oC, H9 = 592 kJ/kg, pump = 0.8