A recipe requires 2 1/2 cups of flour, 2 cups 3/4 of sugar, and 1 1/3 cups of milk to make one cake. victor has 15 cups of flour, 16 cups of sugar, and 8 cups of milk. What is the greatest number of cakes Victor can make using the recipe?

A) 5
B) 6
C) 7
D) 8
E) 9