2) (5 points) The following shell script is used to find the factorial of a given number from user's input /bin/bash Sfact echo-n "Enter number to find factorial 1- read num 0 res-Snun 11 while t Snun > 11 12 do 13 24 5 done 26 17 echo.ractorial toraresi.Stact" aot-expr factum Which line(s) is(are) incorreet? And how to correct it(them)? Please write down your correction for that line (those lines)