The diagram shows a jar filled with two non-mixing liquids $1$ and $2$ having densities ${\rho _1}$ and ${\rho _2}$ respectively. $A$ solid ball,made of a material of density ${\rho _3}$,is dropped into the jar. It comes to equilibrium in the position shown in the figure. Which of the following is true for ${\rho _1}$,${\rho _2}$ and ${\rho _3}$?

• A
  ${\rho _3} < {\rho _1} < {\rho _2}$
• B
  ${\rho _1} < {\rho _3} < {\rho _2}$
• C
  ${\rho _1} < {\rho _2} < {\rho _3}$
• D
  ${\rho _1} > {\rho _3} > {\rho _2}$