$($a$)$ If only considering the distributed load $(2$ kip$/$ft$),$ please find the shear force diagram and bending moment diagram for this structure.

$($b$)$ If only considering the concentrated loads $(10$ kip and $8$ kip$),$ please find the shear force diagram and bending moment diagram for this structure.

$($c$)$ If only considering the moment $(40$ kip.ft$),$ please find the shear force diagram and bending moment diagram for this structure

$.($d$)$ Utilizing the superposition principle, please find the shear force diagram and bending moment diagram for this structure when subjected to all forces simultaneously.