Two bags of cereal are packed in a box. The total weight of the box and the two bags of cereal is 42.00 ounces. One bag of cereal weighs 12.24 ounces, the other weighs 16.08 ounces. How much does the box weigh?
A 12.78 ounces
B 12.96 ounces
C 13.5 ounces
D 13.68 ounces