A person's average body density can be determined by completely submerging a person in a tank full of water, determining how much water they displace and then measuring the person's weight on a scale. Suppose a 68.0 kq person is fully submerged in a cylindrical tank filled with water. The radius of the tank is 1.00 meter. If the water level before the person was submerged equaled 0.750 meter (relative to the bottom of the tank) and the water level after submersion equaled 0.772 m, determine the average density of this person. Note: Do not enter units in the answerbox.