Factor Completely $3 c ^ { 9 / 5 } - 3 c ^ { 4 / 5 }$

Multiple Choice

Factor completely.
- $3 c ^ { 9 / 5 } - 3 c ^ { 4 / 5 }$

A) $3 c ^ { 9 / 5 } ( c - 1 )$
B) $\frac { 3 ( c - 1 ) } { c^{4 / 5} }$
C) $3 c ^ { 4 / 5 } ( c - 1 )$
D) $c ^ { 4 / 5 } ( 3 c - 3 )$