An Escalator Is Used to Move 20 People (60 Kg

An escalator is used to move 20 people (60 kg each) per minute from the first floor of a department store to the second floor, 5 m above. The power required is approximately:

A) 100 W
B) 200 W
C) 1000 W
D) 2000 W
E) 60,000 W