Find the coordinates of the vertices of the figure formed by the system:

y< = 3

y> =0

x> =0

2y + 3x < = 12

(y is less than or equal to 3; y is greater than or equal to 0; x is greater than or equal to 0; 2y plus 3x is less than or equal to 12)

hint: there are 4 correct answers

(2,3)
(0,6)
(0,0)
(2,12)
(0,3)
(0,4)
(4,0)
(3,2)