What's the result

Question 10 of 30 Fannie has a credit card that uses the average daily balance method. For the first 16 days of one of her billing cycles, her balance was $1050, and for the last 14 days of the billing cycle, her balance was $1280. If her credit card's APR is 19%, which of these expressions could be used to calculate the amount Fannie was charged in interest for the billing cycle? O A . 0.19 30 14 . $1050 + 16 - $1280 365 O B. 0.19 16 . $1050 + 14 . $1280 365 30 O c. 0.19 .31 16 . $1050 +14 . $1280 365 31 O D. 0.19 14 -$1050 +16 -$1280 365 .31 31