Posture pointers

The peepul say to stand up tall, with your shoulders back, to look tough and confident.  Here is my example of good and bad cat posture. This is slouching:

This is sitting up straight and tall:

It's a combination of  doing the following, stretch your neck up, straightenyour front legs, hold your head high and most importantly, don't forget to suck in that furchin. 

If I were going to a job interview (I don't know know why I would need to do that, I have an easy pampered life). This is how I would sit to talk to the boss.