Simplify the Numerical Expression and Express Your Answer in Reduced $\frac { 63 } { 8 } \left( \frac { 5 } { 9 } - \frac { 1 } { 18 } \right)$

Multiple Choice

Simplify the numerical expression and express your answer in reduced form. $\frac { 63 } { 8 } \left( \frac { 5 } { 9 } - \frac { 1 } { 18 } \right)$

A) $\frac { 567 } { 16 }$
B) $\frac { 70 } { 8 }$
C) $\frac { 63 } { 16 }$
D) $\frac { 9 } { 16 }$
E) none of these