If L1, L2 be two arbitrary language, Choose incorrect statement(s)
(i) If L1.L2 is regular, then L2.L1 is also regular.
(ii) L1 = L2 iff L1 \ L2 = ∅ and L2 \ L1 = ∅.
(iii) If L ⊆ Σ∗ and L is finite, then Σ∗ \ L is regular.(\=set difference)
(A) Only (i)
(B) (i) and (ii)
(C) (ii) and (iii)
(D) All