Anna is buying
$12,000
worth of rare coins as an investment. The dealer is charging her an annual interest rate of
8.2%
and is using the add-on method to compute her monthly payments. a. If Anna pays off the coins in 48 months, what are her monthly payments? b. If she makes a down payment of
$1,000
, how much will this reduce her monthly payments? c. If she wants to have monthly payments of
$225
, how large should her down payment be? a. Anna's monthly payments will be
$
(Round to the nearest cent.)