TWD SEO/website quotes

Below are something I require to be fixed on my clients website, how much would this cost especially the SEO & Google components.

Site Audit

1. Fix Google Business Profile
2. Fix Website Information
3. Mobile Site speed
4. Minifying Images
5. Fix SEO Issues on Front End
- Build a List of Keywords
- Competitors are ranking for and start using them in SEO
6. Consider Future Blog post on-site each month to enhance client Keyword Rankins