Points A, B, and C are located inside the same pond. Points A and B are each 0.50m below the water surface; point A is at the center of the pond, and point B is next to the shore. Point C is 1.0m below the surface at the center. Rank the magnitudes of the pressures PA, PB, and PC from greatest to least.
a) PC=PA=PB
b) PA>PB>PC
c) PC>PA=PB
d) PC>PB>PA