Find Ac ∩ B if sample space S = {1 to 20}, A = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}, and B = {2, 4, 6, 7, 8, 10, 12, 14, 16, 18}.{1, 2, 3, 4, 5}{12, 14, 16, 18}{1, 3, 4, 5, 12, 9}{1, 3, 4, 5, 12, 20}