Code fixes and basic php maths (home)

We have a website admin panel home page which needs some code fixes, some of which incorporate some very basic php maths. I've uploaded a spec sheet of everything that needs doing, please do not bid unless you have read it and can do it within the deadline. You can log in to the admin panel to have a look at the page you'll be working on at [login to view URL] Username: rac Password: rac