What are the vertices of the feasible region defined by these constraints?
x + 4y >= 8
x + y <= 5
x >= 0
y >= 0
A.
(0, 2), (8, 0), (0, 0)
B.
(4, 1), (5, 0), (8, 0)
C.
(0, 5), (0, 2), (4, 1)
D.
(0, 5), (5, 0), (0, 0)
E.
(0, 5), (8, 0), (0, 0)