Suppose you purchase a new car today for $25,000. You pay $2,000
as down payment towards this purchase, and finance the balance over
5 years at an annual interest rate of 5%, the first payment to be
made in one month. Payments are made every month over the next 5
years. Calculate the monthly payment using both formula and
function method. (Hint: need to multiply time by 12 to find the
number of months and need to divide interest rate...