Which stream will have the greatest discharge? W = width in feet, D = depth in feet, V = velocity in cubic feet/sec.

a.
W = 10, V = 4, V = 7

b.
W = 100, D = 2, V = 2.5


c.
W = 50, V = 4, V = 3


d.
W = 20, D = 3, V = 12