A bus company uses a grid to locate bus stops. The bus station is at (3, 4). The point (7, 6) represents the first bus stop. The location of each stop after that is determined using the same relationships as those between the coordinates of the bus station and the first bus stop.
Which point represents the fourth bus stop?
A.
(11, 8)
B.
(13, 12)
C.
(15, 10)
D.
(19, 12)