Shirley has a credit card that uses the previous balance method. The opening balance of one of her 30-day billing cycles was $2830, but that was her balance for only the first 2 days of the billing cycle, because she then paid off her entire balance and didn't make any new purchases. If her credit card's APR is 19%, which of these expressions could be used to calculate the amount Shirley was charged in interest for the billing cycle?

A.

B.

C.

D.

Question

Shirley has a credit card that uses the previous balance method. The opening balance of one of her 30-day billing cycles was $2830, but that was her balance for only the first 2 days of the billing cycle, because she then paid off her entire balance and didn't make any new purchases. If her credit card's APR is 19%, which of these expressions could be used to calculate the amount Shirley was charged in interest for the billing cycle?



 



A.






 



B.






 



C.






 



D.

anonymous · Answer

a. (0.19/365*30)(2*$2830+28*$0/30)

anonymous · Answer

b. (0.19/365*30)(2*$0+28*2830/30)