Here is what we know:
The initial unpaid balance was $1085.36
During the billing cycle, be purchased a total of $41.96 + $244.36 + $16.97 = $303.29 in goods
He maid a payment of $1200
Then, since the annual percentage rate is 18.0%, the finance charge is given by:
[tex]1085.36\cdot\frac{0.18}{12}=\text{ \$16.28}[/tex]Then, the new balance is:
[tex]1085.36+303.29+16.28-1200=\text{ \$}204.93[/tex]Answer:
The new finance charge is $16.28
The new balance is $204.93