2. Determine the system's total dynamic head (in feet) where the flow is measured to be 500 gal/min. There is one 90 ell on the suction line and two 90 ells on the discharge line. All pipes and fittings have a diameter of 4 inches. Assume that the friction loss at the fittings, the pump, and the discharge level is negligible and that the sump's water level remains constant (15 pts). 90 ell DISCHARGE 2.5 m 20 m GATE VALVE 90'ell PUMP 90'ell 22 m