Which dimension do you use to produce external financial statements based on cost-of-sales accounting?

On what level can you restrict postings using the posting period variants?
Note: There are 2 correct answers to this question.

You have started a project that requires help from external workers to submit their hours worked weekly. The manager responsible for this workspace approves the reported times irregularly. This causes the accountants to have to track multiple sources and make manual calculations as they must show the expected expense even for unapproved submissions. Which process automated by SAP S/4HANA system can support the accounting department?

What is the result of an automatic payment run?
Note: There are 3 correct answers to this question.

Which tools does SAP provide to make it easier for customers to maintain their SAP S/4HANA Cloud systems after a release upgrade?
Note: There are 2 correct answers to this question.