Suppose that you decide to buy a car for $25,635, including taxes and license fees. You saved $6000 for a down payment and can get a three-year car loan at 6.84%. Use PMT = [1−(1+ n
r
)
P( n
r
)
] −nt
to find the monthlv navment and the total interest for the loan. The monthly payment is $ (Round to the nearest cent as needed.) The total interest for the loan is?