A 1.16 kg beaker containing 2.37 kg of oil of density 923 kg/m3 rests on a scale. A 2.22 kg block of iron is suspended from a spring scale and is completely submerged in the oil, Find the equilibrium reading of the spring scale. The density of the iron is 7860 kg/m3 and the acceleration of gravity is 9.8 m/s2.