Which of the following statements best describe Product Cost by Period? Note: There are 2 correct answers to this question.

Which of the following statements best describe Product Cost by Period? Note: There are 2 correct answers to this question.
A . It is used when periodic costs outweigh daily postings.
B . It is used to analyze work in process (WIP) based on actual costs.
C . It is used when the focus of controlling is on a stable and continuous production process.
D . It is used in conjunction with a product cost collector.

Answer: C,D