$9,$ For the framing plan shown below, the Dead and Live slab loads are $20$ psf and $30$ psf respectively. Calculating the reactions from the slab to the beams, from beams to girders etc., calculate the following column loads and enter in the chart:

$\begin{array}{cc}\text{C}\text{o}\text{l}\text{u}\text{m}\text{n}& \text{L}\text{o}\text{a}\text{d}\\ A1& ?\\ A2& ?\\ A3& ?\\ B1& ?\\ B2& ?\\ B3& ?\\ C1& ?\\ C2& ?\end{array}$