What is the correct mathematical representation of the constraint for distribution center 3?

A) X13 + X23 + X33 = 23200
B) X13 + X23 + X33 ≥ 53200
C) X13 + X23 + X33 ≤ 33200
D) 13X + 23X + 33X = 21900
E) None of the above