$10$

$2E$

$3B$

$4$

$5s$

$60$

$70$

$80$

$9s$

$10$

$11C$

$12[$

$13B$

$14$

$15$

$16$

$17$

$18$

Consider the following flowchart. Assume $n>1,[A]$ and $B$ are pre$-$defined vectors of with $n$ elements each, and both A and $B$ have a slarting index of $1.$ What does the variable "sum" contain at finish?

vector cross product