Complete the Table and Use the Result to Estimate the Limit

Multiple Choice

Complete the table and use the result to estimate the limit. $\lim _ { x \rightarrow 7 } \frac { \frac { 1 } { x - 3 } - \frac { 1 } { 4 } } { x - 7 }$
$\begin{array}{|c|c|c|c|c|c|c|}\hline x & 6.9 & 6.99 & 6.999 & 7.001 & 7.01 & 7.1 \\\hline f(x) & & & & & & \\\hline\end{array}$

A) $- 0.062500$
B) $0.067500$
C) $- 0.192500$
D) $0.047500$
E) $- 0.172500$