A Hemispherical Water Tank of Radius 6 Meters Is Filled $2,805,800 \pi$

Multiple Choice

A hemispherical water tank of radius 6 meters is filled with water to a depth of 4 meters. Assume the density of water is 1000 kg/cu m. The work required to pump all the water over the top of the tank, in kg-meters, is

A) $2,805,800 \pi$
B) $2,708,800 \pi$
C) $2,635,800 \pi$
D) $2,619,400 \pi$
E) $2,508,800 \pi$