$(10$ points$)$ Consider the following Makefile: doit: there

cp

here down$/$there cd

$

$($ cat there$)$ ; is here: pwd

$>$

here there: down here sed $\text{'}$s:

$/[]$$::

$\text{'}<$ here $>$ there down: mkdir down $($a$)$ If this Makefile was in an otherwise$-$empty directory named

m$1$

$,$ what commands would be executed, in what order, when the user ran 'make'? $($b$)$ Draw the subtree, showing all the files in

m$1$

after 'make' had finished.