Write the Transpose Of $B=\left(\begin{array}{lll}3 & 0 & 4 \\ 0 & 1 & 0 \\ 0 & 0 & 4\end{array}\right)$

Write the transpose of $B=\left(\begin{array}{lll}3 & 0 & 4 \\ 0 & 1 & 0 \\ 0 & 0 & 4\end{array}\right)$ .