The constraints of a problem are listed below. What are the vertices of the feasible region?
$\begin{array}{l}
x+y \leq 5 \\
y \leq 3 \\
x \geq 0 \\
y \geq 0
\end{array}$
A(0, 0), (0, 3), (2, 3), $(5,0)$
B(0, 0), (0, 5), (2, 3), $(5,0)$
C(0, 0), (2, 3), $(5,0)$
D(0, 3), (0, 5), $(2,3)$
$\begin{array}{l}
x+y \leq 5 \\
y \leq 3 \\
x \geq 0 \\
y \geq 0
\end{array}$
A(0, 0), (0, 3), (2, 3), $(5,0)$
B(0, 0), (0, 5), (2, 3), $(5,0)$
C(0, 0), (2, 3), $(5,0)$
D(0, 3), (0, 5), $(2,3)$