Sarah purchased a swing set for $1,450 using a six-month deferred payment plan. The interest rate after the introductory period is 19.99%. No down payment is required, but there is a minimum monthly payment of $20. What is the balance at the beginning of the seventh month if only the minimum payment is made each month during the introductory period? (4 points) a
$1,481.10
b
$1,330.00
c
$1,450.00
d
$1,601.10