Answer:
$1947.32
Step-by-step explanation:
Most credit cards allow the balance to be paid in the first month without any finance charge. After Newton's first payment of $720 the remaining balance of $1200.96 will earn interest of 1.55% for the month, resulting in a new balance of 1219.57.
Following the second month's payment of $720, Newton's balance of $499.57 will earn 1.55% interest to become a new balance of $507.32. Newton can pay that off in the 3rd month.
Newton's total of payments is ...
... $720 +720 +507.32 = $1947.32
_____
This amount includes $26.36 in interest charges.