Help with a website in Wordpress

There are 3 users A, B, C both buy the same product but at different prices. Table Z is the one that I attached in the excel, all these users are ¨PMI Member, s2Member Level 1¨, you must import them correctly and notify by email that they have been registered so that they can buy at the price of User A. Users A: Login with your username and password. Payment should be automatically approved Permissions They have the accesses ¨PMI Member, s2Member Level 1¨, they can see all videoconferences, books, etc. They can buy at S /. 35 Where do they come from: Table already existing. Table to be imported with Z users. Users A and Z have the same parameters. Users B: Must purchase as a guest or registration must appear at the end. Discount and order must be validated by the administrator. Permissions They can't see all the video conferences, lectures, books. They can buy at S /. 139. Where they come from: They buy as guests or sign up last. Users C: Must purchase as a guest or registration must appear at the end. Payment should be automatically approved Permissions They can't see all the video conferences, lectures, books. They can buy at S /. 279. Where they come from: They buy as guests or sign up last.