During His Honeymoon Trip in 1847 near the Falls at Chamonix

During his honeymoon trip in 1847 near the falls at Chamonix in the French Alps,Joule took along a thermometer to measure the temperature at the top and bottom of the falls 120 m high.He assumed the total kinetic energy of the water at the bottom becomes internal energy of the water.An estimate of the rise in temperature of the water of specific heat 4190 J/kg K at the bottom is

A) 28 ^$\circ$ C.
B) 12 ^$\circ$ C.
C) 7 ^$\circ$ C.
D) 1.5 ^$\circ$ C.
E) 0.28 ^$\circ$ C.