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Task one: Adding VAT field and generating VAT and non-VAT invoices When sellers sign up to the site, they can either be VAT registered or not. This will affect the way in which their invoices are generated. I would like you to include an optional field for VAT number, when a person is signing up to be a seller. This VAT number field should be optional and can be left blank. In order to sign up to be a seller, a person first has to register as a normal customer. They will then have an option in their account to click which says "Become a seller". Once they click this link, it will take them to a form, where they have include their business details such as address details and store name. I would like you to add this VAT field here. If you could add a "?" next to this VAT field to give them more info on what a VAT number is, that would be great. Now, where a seller has a VAT number, a VAT invoice will be generated. Otherwise, the invoice won't show any VAT. This will have to be updated in the invoicing plugin. Task 2: On the product page, I want the shipping method and cost (plus processing time) to be show underneath the price of the product". Next to the processing time, I would like a "?" symbol, which a customer can click and a pop-up would give more information on the processing time.