As part of some data analysis you are building relationships…

As pаrt оf sоme dаtа analysis yоu are building relationships among data tables in Tableau based on your client's business rules.  To help you understand the relationships among data tables your client provides you the following entity relationship diagram (ERD) related to its sales and invoicing process. Given the crows foot notations presented by your client below, which of the following business rule statements is true?