An ellipse has vertices along the major axis at (0, 8) and (0, -2). The foci of the ellipse are located at (0, 7) and (0, -1). What are the values of a, b, h, and k?
a) a = 8, b = 5, h = 0, k = 3
b) a = 5, b = 8, h = 0, k = 3
c) a = 8, b = 5, h = 0, k = -3
d) a = 5, b = 8, h = 0, k = -3
