How Much would you charge

Hello there,

Bit of a strange questions but i have built this website for an acquaintance of mine and i have no idea how much to charge the company.

stitchxpress.co.uk

Thats the site, i have done the following

1. Artwork
2. Design
3. Wording
4. Am in the process of SEO and will have the site at the top of his ideal google search withing a week or two.

I just have no idea what this would of cost him to get it done via a third party, i dont want to charge him iver the odds but i have no idea what my service is worth as this is the first time i have ever done anything for someone else.

Thank you in advance