Let S = {1, 2, 3, ..., 18, 19, 20} be the universal set.Let sets A and B be subsets of S, where:Set A = {2, 4, 8, 10, 11, 14, 16, 20}Set B = {2, 3, 6, 8, 9, 10, 14, 16, 18, 19}Determine the following:n(A)n(A) =n(B) =n(An B) =n(AUB) =