Perform the Indicated Operation $\frac { 7 } { 4 + 8 \mathrm { i } }$

Multiple Choice

Perform the indicated operation. Write the result in the form a + bi.
- $\frac { 7 } { 4 + 8 \mathrm { i } }$

A) $\frac { 7 } { 20 } - \frac { 7 } { 10 } \mathrm { i }$
B) $- \frac { 7 } { 12 } - \frac { 7 } { 6 } \mathrm { i }$
C) $- \frac { 7 } { 12 } + \frac { 7 } { 6 } \mathrm { i }$
D) $\frac { 7 } { 20 } + \frac { 7 } { 10 } \mathrm { i }$