A cylindrical container open to the atmosphere holds a 0.30m layer of oil (density 800kg/m3) resting on top of a 0.50m layer of water (density 1000kg/m3). Atmospheric pressure is 1.01×105Pa. What is the absolute pressure at the bottom of the container?
a) 1.06×105Pa
b) 1.11×105Pa
c) 1.08×105Pa
d) 1.15×105Pa