Which two factors affect gravitational potential energy?

Gravitational: is related to an object's mass and height from the ground
blue skier- 500 N the blue skier has more gravitational potental energy because he is at a greater height.
Red skier- 500N
Green skier 600 N, the green skier has more gravitational potential energy because he weighs more

a
mass and height
b
weight and velocity
c
weight and height
d
mass and velocity