What are the primary methods used to determine interest charges on an unpaid cre

What are the primary methods used to determine interest charges on an unpaid credit balance? Explain. Here is a checklist of what I am looking for in your discussion responses:
Has the student posted a substantial post. What is substantial? I want to see content, not just “Yes I agree,”. Rule of thumb a substantial post will have a minimum of 150-200 words.
Does the response fulfill the understanding of the Learning Objective? Your post should include terms from the chapter and your analysis of what you have read.
Bring it Home! Concluding your post with a “real life” situation will also help to confirm your understanding of the material.
Responses to Classmates should either be in support of or counter their position. It should be done in a professional and respectful manner. Most importantly your position should be supported with material from the text along with your own analysis of the material. Responding with only a one liner “Yes you are correct, or I also agree with your position”, is not substantial.