Mr. Brown wants to buy a Tesla Model S car, whose price is $100,
848. The dealer offers a loan plan: $30, 000 down payment, $X at
the end of year 1, year 2, year 3, and year 4. Assume the constant
annual interest rate is 25%.
(a) What is X? [Hint: you may want to use calculators.]
(b) Suppose Mr. Brown accepts the offer. How much does Mr. Brown
finance?
(c) What is the principle payment at the end...