Which of the following data analysis functions is used to determine whether company policies are met by employee transactions, such as verifying that traveling employees book their accommodations at approved hotels?

Which of the following data analysis functions is used to determine whether company policies are met by employee transactions, such as verifying that traveling employees book their accommodations at approved hotels?
A . The correlation analysis function
B. The Join function
C. The gap testing function
D. The compliance verification function

Answer: D