Use the unpaid balance method to find the finance charge on the credit card account. Last​ month's balance, the​ payment, the annual interest​ rate, and any other transactions are given below. Last​ month's balance, ​$700
​Payment, ​$280
Interest​ rate, ​19.8%
Bought​ dog, ​$100
Bought pet​ supplies, ​$45
Paid veterinarian​ bill, ​$80

finance charge = $ (round to nearest cent)

use the I=Prt formula to configure the finance charge.
​