The beam$-$column shown is fixed at both ends and is subjected to the loads shown Use A$992$ steel, Fy $=345$MPa. $K=0\mathrm{.}65$

And assume no translatoon in the colunn

Properties of Wsection

$A=5700m{m}^2$

$d=267mm$

$bf=148mm$

$tf=13mm$

$tw=7\mathrm{.}62mm$

$rts=40\mathrm{.}6mm$

$ry=34\mathrm{.}8mm$

kdes$=20\mathrm{.}6mm$

$Sx=531{10}^{3}m{m}^3$

$Zx=600{10}^{3}m{m}^3$

a$.)$ Determine the design axial strength of the section in LRFD

b$.)$ Determine the design flexural strength of the section in LRFD

c$.)$ Determine whether this member satisfies the appropriate NSCP $2015$ specification.