Give the balance factor for the nodes in the tree: B E H BF(A) = 2, BF(B) = 0, BF(C) = -1, BF(E) = 1, BF(H) = 0 = BF(A) =-2, BF(B) = 0, BF(C) = 2, BF(E) = -1, BF(H) = 0 = BF(A) =-2, BF(B) = 0, BF(C) = -1, BF(E) = -2, BF(H) = 0 = = = BF(A) =-3, BF(B) = 0, BF(C) = -2, BF(E) = -1, BF(H) = 0 = = =