The tbIProductDetails table is shown in the image below. Which fie would be the most appropriate choice for a Primary Key?

$\backslash$table$[[$Field Name,Data Type,$],[$tolProductDetails$,$Unique product ID$,,,],[$ProductID$,$Number,Name of product,,$],[$Product Name,Short Text,Order Number,,$],[$Order Number,Number,Product's date of manufa,,$],[$Date of Manufacturing,Date$/$Time$,$Product's date of deliven,,$],[$Date of Delivery,Date$/$Time$,$Name of port,,$],[$Port$,$Short Text,,,$]]$

Product ID

Date of Delivery

Order Number

Product Name