PLEASE ANSWER HONESTLY AND WITH FULL EXPLANATION
Jade bought a car for $21,400 at an APR of 3.6%, compounded monthly, by agreeing to make monthly payments of $149.00 for 48 months. After 48 months, Jade plans to make a balloon payment. Usually, the monthly payment on a 48-month loan for $21,400 at an APR of 3.6%, compounded monthly, is $479.37. Jade is wondering how much more expensive the balloon payment option is. Let's do some calculations to find out.

Part I: How much will Jade have paid after 48 months with a monthly payment of $149.00?

Part II: What will Jade's balloon payment be?

Part III: How much in total will Jade have paid after making the balloon payment?

Part IV: How much would Jade have paid in total if she had made the usual payment of $479.37 for 48 months?

Part V: How much more expensive was the balloon payment option for Jade than if she had just made the usual payment of $479.37 for 48 months?