Solve and Show steps.

Using the method of virtual work, what is the $($a$)$ displacement at the concentrated moment and $($b$)$ rotation at $B$ of the beam below if $E=29,000$ksi and $I=1500i{n}^4?$

$By*30-150=0$

$By=\frac{150}{30}=5$

$By=0\mathrm{.}5kq$