Perform the Indicated Operation and Simplify $\frac { 15 } { 343 } \times \frac { 8 } { 15 } \times \frac { 7 } { 8 } \times \frac { 7 } { 9 }$

Multiple Choice

Perform the indicated operation and simplify. $\frac { 15 } { 343 } \times \frac { 8 } { 15 } \times \frac { 7 } { 8 } \times \frac { 7 } { 9 }$

A) $\frac { 1 } { 64 }$

B) $\frac { 1 } { 60 }$

C) $\frac { 1 } { 65 }$

D) $\frac { 1 } { 64 }$ .

E) $\frac { 1 } { 63 }$