Given that a Bank uses the following relation scheme for the approved Vendors they do business with at different branches- Vendor(VendorID, VendorName, VendorAccountNo, BranchID, Branch Name). A Vendor can service multiple branches. Vendor VID Vendor Name VenAccountNo BranchID Branch Name Question 1.) What would be the primary key? Question 2.) What are the functional dependencies? Question 3.) Show below how you would place this in 3NF