Consider the following sample output. Do not assume that any other commands are executed between the creation of this sample and the commands in each of the followed questions. ranas-mbp:ch13 rana$ cat script.sh if [ $# -ge 2 ]; then n1=$1 n2= $2 else echo "usage: $0 num1 num2" exit 1 fi if [ $n1-gt $n2 ]; then temp=$1 n1 = $n2 n2=$temp fi total=0 while { $n1 -le $n2] do total='expr $total + $n1" n1='expr $n1 + 1 done echo "$total" exito ranas-mbp:ch13 ranas 1. The output of executing the command /script.sh 4 9 is 00 013 Ousage:./script.sh num1 num2 039