Hi,
I read your requirements as you mentioned that you want a page with a add on that will calculate and print a quote for delivery and Installation of kitchen equipment,I saw the doc and the excel files but still there are many things to clear but I hope once those things are clear then I shall start the work complete it as per your requirements.
I am a expert wordpress developer with 6+ years of experience,I have good experience in php,mysql,wordpress,plugins,themes,custom codes,,ajax,api etc.
I would like to come in PM and discuss in details and start work then.
Thanks
Saikat