Find the Sum of the Geometric Series, If Possible $$\sum _ { n = 1 } ^ { 7 } 6 \left( \frac { 2 } { 3 } \right) ^ { n - 1 }$$

Multiple Choice

Find the sum of the geometric series, if possible.
- $$\sum _ { n = 1 } ^ { 7 } 6 \left( \frac { 2 } { 3 } \right) ^ { n - 1 }$$

A) 35
B) 18
C) $\frac { 4118 } { 243 }$
D) 28