Minor Edits to WP Site

We have a WP Site that was just completed and we need a couple of edits done to it. Quick Job for the right WP Coder. 1) Add a login/Register Tab for users to sign up to create an account on the ecommerce site and display this in Menu 2) Add a Tel No and Email on the Contact Page Site link will be provided to qualified provider via PM. Need exact cost and timeframe . Prefer it to be done today. Thanks