Properties of Solids and Liquids: JEE Main 2022 Physics question

A square aluminum (shear modulus is $25 \times 10^{9}\, \mathrm{Nm}^{-2}$) slab of side $60 \mathrm{~cm}$ and thickness $15 \mathrm{~cm}$ is subjected to a shearing force (on its narrow face) of $18.0 \times 10^{4}$ $\mathrm{N}$. The lower edge is riveted to the floor. The displacement of the upper edge is ____________ $\mu$m.