Suppose your new Model X costs $100k. If you finance it at 10% for five years, Firstly, a pure discount loan will ask a lump-sum payment at the end: Secondly, an amortized loan will ask an equally-splitted payment every period: Thirdly, a coupon bond will pay interest periodically and principal at the end: What is the ending balance in three years of the amortized loan above? What is the present value of the third coupon of the coupon bond above? Question 5 What is the sum of all the coupons' present values of the coupon bond above