Googlesheet formula

I'm trying to make this formula as one statement, what formula should I use, thanks.

=IF(AND($E2="Simple",$G2<=3),$M$2,$M$5)

=IF(AND($E2="Complex",$G2<=7),$M$3,$M$5)

=IF(AND($E2="Highly Technical",$G2<=20),$M$4,$M$5)