PLEASE ANSWER HONESTLY WITH FULL EXPLANATION Kenneth bought a car for $16,200, but he received $900 cash back. He will make monthly payments at a 4.56% APR, compounded monthly, for 36 months. Kenneth is wondering how much money he saved by receiving the cash back. Help him figure out the answer.

Part I: How much will Kenneth have left to pay after receiving the cash back?

Part II: What is the periodic rate at which Kenneth will be charged interest?

Part III: What will Kenneth's monthly payment be?

Part IV: What would Kenneth's monthly payment have been if he hadn't received the cash back?

Part V: How much money did Kenneth save by receiving the cash back?