(1) Given the following magnitude information about three sets, A, B, and C, solve the following four questions. (5 pts. each) (1.1) N (A - B) = ? (1.2) N (AUC) = ? (1.3) N (AU BUC) = ? (1.4) N((An B) U (BOC)) = ? N(A) = 85 N(B) = 124 N(C) = 72 N(An B) = 28 N(ANC)= 30 N(BNC)=12 N(ANBNC) =8