Find the Cardinal Number of the Set Find $n ( U )$

Multiple Choice

Find the cardinal number of the set.
-Given:
$\begin{aligned}\mathrm { n } ( \mathrm { A } ) & = 80 \\\mathrm { n } ( \mathrm { B } ) & = 88 \\\mathrm { n } ( \mathrm { C } ) & = 82 \\\mathrm { n } ( \mathrm { A } \cap \mathrm { B } ) & = 16 \\\mathrm { n } ( \mathrm { A } \cap \mathrm { C } ) & = 18 \\\mathrm { n } ( \mathrm { B } \cap \mathrm { C } ) & = 12 \\\mathrm { n } ( \mathrm { A } \cap \mathrm { B } \cap \mathrm { C } ) & = 10 \\\mathrm { n } \left( \mathrm { A } ^ { \prime } \cap \mathrm { B } ^ { \prime } \cap \mathrm { C } ^ { \prime } \right) & = 161\end{aligned}$
Find $n ( U )$

A) 385
B) 375
C) 214
D) 294