What are the characteristics of a company in SAP S/4HANA ? Note: 2 answers

What object determines the number range for business partner master data?
Response:

Which two reports should you use to create correspondence to and from customers and vendors to enable you to verify the balance of receivables and payables?
There are 2 correct answers to this question.
Response:

Where can an SAP Fiori end user change the theme of their launchpad?
Please choose the correct answer.
Response:

Which two reports should you use to create correspondence to and from customers and vendors to enable you to verify the balance of receivables and payables? Choose the correct answers.