Q$3(40$ points$).$ Compute the moment of inertia of the following composite section with respect to centroidal axes and $($:$|y_c\}.$

Details for W$1650$;$,I_x=659$ in ${?}^4$;$I_y=37\mathrm{.}2$ in ${?}^4$;$A=14\mathrm{.}7$ in ${?}^2$;$d=16\mathrm{.}26$ in; $b_f=t_1=7\mathrm{.}07$ in