Let S = {Arthur, Dirk, Frans, Henrika, Johan, Klaas, Sarie, Tina} be the universal set with subsets A = {Dirk, Frans, Johan, Sarie}, B = {Frans, Henrika, Klaas, Sarie, Tina}, and C = {Frans, Hans}. Find the number indicated. n(A ∪ C)

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