A person stands still while supported by their two feet on level ground. Their feet are separated horizontally by 80 cm. The ground exerts an upward force of 500 N their right foot and an upward force of 200 N on their left foot. Based on this information, which of the following statements about the location of the person's center of gravity must be true? (Be sure to note that this question refers to right and left directions from the perspective of the standing person, not from someone facing the standing person)