See wall street journal, Tuesday, September 30, 2003: Personal Journal, Selection D: Read article,

"A Car Loan That Outlasts Your Car." The article mentioned that a $ 20,000 loan with an 8% interest rate over 8 year instead of a 5% loan over 5 years will slash payments by approximately $ 100, but will add $ 4500 to interest cost.

Problem:

b. Calculate the exact difference in monthly payments.

C. Clearly highlight the difference in interest cost.

d. Comment on the article using your knowledge of time value of money.

Request please answer all this question.