Q$1)$ Considering the slenderness effect for the side$-$sway permitted frame system given in the figure, calculate the required reinforcement for B$2$ column.

$\frac{C_{30}}{S_{420}}$

$d^{\text{'}}=30mm$

$I_{\text{b}\text{e}\text{a}\text{m}}=0\mathrm{.}0082m{m}^2$

$\backslash$table$[[$Material$,$Column Dimensions,N$\_($a$)($kN$),$M$\_(14)($kNm$),$M$\_(24)($kNm$),$V$\_($d$)($kN$),$V$\_($g$)($kN$)],[$Concrete$,$Steel,b$($mm$),$h$($mm$)],[$C$\_(25),$S$420,300,400,850,120,-40,38,25]]$