Depending on the following snapshot of a unix terminal, What is the output of the last command? ranas-mbp:- rana$ var=65 ranas-mbp:- rana$ export var ranas-mbp:- rana$ bash bash-3.2$ var=4 bash-3.2$ bash bash-3.2$ var=16 bash-3.2$ exit exit bash-3.2$ echo Svar 4 65 16 0