A $2.00 \mathrm{~kg}$ Mass Is Located At $(4.00 \mathrm{~m}, 0.00 \mathrm{~m}, 0.00 \mathrm{~m})$

A $2.00 \mathrm{~kg}$ mass is located at $(4.00 \mathrm{~m}, 0.00 \mathrm{~m}, 0.00 \mathrm{~m})$ and a $4.00 \mathrm{~kg}$ mass is located at $(0.00 \mathrm{~m}, 3.00 \mathrm{~m}$ , $0.00 \mathrm{~m}$ ) . The rotational inertia of this system of masses about the $\mathrm{X}$ -axis, perpendicular to the Z-Y plane, is

A) $28 \mathrm{~kg} \mathrm{~m}^{2}$ .
B) $36 \mathrm{~kg} \mathrm{~m}^{2}$ .
C) $33 \mathrm{~kg} \mathrm{~m}^{2}$ .
D) $23 \mathrm{~kg} \mathrm{~m}^{2}$ .
E) $41 \mathrm{~kg} \mathrm{~m}^{2}$ .