36.The energy added by a pump to the liquid passing through it is often referred to as the total head, whichis equal to the total suction head of the liquid when it enters the pump subtracted from the totaldischarged head of the liquid when it leaves the pump. With the total discharge and suction heads of 10m and – 0.5 m, what is the total head of the pump?
(A)20 m
(B)10.5 m
(C)9.5 m
(D)5 m