We have enough experience to any kind of customization, custom development, and plugin installation.
Your requested customization is very simple. Anyhow, you have listed simple, but numerous customization. That's why I am willing to charge 140 Euro.
If you want see the work I can show from my local host as I can't give the real CRMs of my customers.
However I shall show you some work in my demo site.
Contact me if you like to get further details.
Thank you.
Sutharsan.