Perform the Indicated Operation $( - 13 i ) ( - 9 i )$

Multiple Choice

Perform the indicated operation. Write the result in the form a + bi.
- $( - 13 i ) ( - 9 i )$

A) $- 117 \mathrm { i }$
B) 117
C) $- 117$
D) $117 \mathrm { i }$