$($a$)(10$pts$)$ Find critical points

$($b$)(10$pts$)$ Calculate moment at these critical points

$($e$)(25$pts$)$ Draw a final moment diagram including dashed line

$($c$)(20$pts$)$ How many superposition sections $($dashed line area$)?$ Where is$($are$)$ superposition area$($s$)?($e$.$g$.,$ A$-$B or A$-$C$,$ etc.$)$

$($d$)(30$pts$)$ Calculate moment value at B using superposition and show procedure including an equation in order to superimpose from the basic structures

$($f$)(5$pts$)$ Draw a shear diagram