Answer:
To compute the initial loan amount, you must use a monthly interest rate
Explanation:
Since Christie would pay the balance at 6.3 percent interest, to calculate the initial loan amount, you must use a monthly interest rate.
The car loan is not an annuity due since the payment is not made at the beginning instead it is made after 30 days therefore it is an ordinary annuity. Annuity due requires repeated payment at the beginning of each period.