c$++1.$ #include

$2.$ #include

$3.$ #include

$4.$ using namespace std;

$5.$

$6.$ int main $()\{$

$7.$

$8.$ int n$=0$;

$9.$

$10.$ for $($int j$=1$; j$<10$; j$=$j$+2)\{$

$11.$ n$=$n$+1$;

$12.\}$

$13.$

$14.$ return $0$;

$15.\}$

$16.$

$17.$

You have decided that you will need to add a function to this software, which you will be calling sumABC, receives three integers, and returns a double. Complete the following sentence:

The function will be inserted between the $($current$)$ line number and the $($current$)$ line number $.$ The code to start the function is sumABC$($ a$,$ b$,$ c$)\{$