Perform the Desired Operation $$4 \mathrm { i } ( 8 - 5 \mathrm { i } )$$

Multiple Choice

Perform the desired operation. Write the answer in the form a + bi.
- $$4 \mathrm { i } ( 8 - 5 \mathrm { i } )$$

A) $32 i + 20 i 2$
B) $20 + 32 \mathrm { i }$
C) $32 \mathrm { i } - 20 \mathrm { i } 2$
D) $32 \mathrm { i } - 20$