Answer
$\begin{aligned} & M_C=-15.0 \mathrm{kip} \cdot \mathrm{ft} \\ & N_C=0 \\ & V_C=2.01 \mathrm{kip} \\ & M_D=3.77 \mathrm{kip} \cdot \mathrm{ft} \\ & N_D=0 \\ & V_D=1.11 \mathrm{kip}\end{aligned}$
Work Step by Step
$$
\begin{aligned}
& ↺+\Sigma M_B=0 ; \quad-A_y(14)+2500(20)+900(8)+3000(2)=0 \\
& A_y=4514 \mathrm{lb} \\\\
& \rightarrow \Sigma F_x=0 ; \quad B_x=0 \\
& +\uparrow \Sigma F_y=0 ; \quad 4514-2500-900-3000+B_y=0 \\
& B_y=1886 \mathrm{lb} \\\\
& ↺+\Sigma M_C=0 ; \quad 2500(6)+M_C=0 \\
& M_C=-15000 \mathrm{lb} \cdot \mathrm{ft}=-15.0 \mathrm{kip} \cdot \mathrm{ft} \\\\
& \rightarrow \Sigma F_x=0 ; \quad N_C=0 \\
& +\uparrow \Sigma F_y=0 ; \quad-2500+4514-V_C=0 \\
& V_C=2014 \mathrm{lb}=2.01 \mathrm{kip} \\\\
& ↺+\Sigma M_D=0 ; \quad-M_D+1886(2)=0 \\
& M_D=3771 \mathrm{lb} \cdot \mathrm{ft}=3.77 \mathrm{kip} \cdot \mathrm{ft} \\\\
& \pm \Sigma F_x=0 ; \quad N_D=0 \\
& +\uparrow \Sigma F_y=0 ; \quad V_D-3000+1886=0 \\
& V_D=1114 \mathrm{lb}=1.11 \mathrm{kip} \\
&
\end{aligned}
$$