Problem $8\mathrm{.}43$

Draw the influence lines for the shear in panel $\backslash ($ B C $\backslash )$ and the bending moment at $\backslash ($ C $\backslash )$ of the oirder with flonr sustem shown $4$ panels at $\backslash (15\backslash$mathrm$\{$ft$\}=60\backslash$mathrm$\{$ft$\}\backslash )$

FIG. P$8\mathrm{.}43$