NEED HELP ASAP

For the EMPLOYEE entity, the following are known candidate keys: a) email; b) phone number. In addition, the following information is known: - email and phone number are always known for employees - company has a policy that restricts revealing employee's email address - While current employees do not share telephone numbers, they can be reassigned once employee leaves the company Based on the above information, select all choices that meet the necessary criteria to serve as a primary key. email employee name job tite create a new attribute to serve as a surrogate key phone number