There is no cost to start of with, therefore it can not be solved because there is not enough information. All we know is that she drank half of a 12 ounce bottle. No prices were put in.
The archipelago<span> consists of 6,852 islands ("island" defined as land more than 100 m in circumference), of which 430 are inhabited. The four main islands, from north to south, are Hokkaido, Honshu, Shikoku, and Kyushu; Honshu is the largest and referred to as the </span>Japanese<span> mainland.</span>