Data Sufficiency

The capacity of glass \(X\) is \(80\) percent of the capacity of glass \(Y\). Glass \(X\) contains how many more ounces of punch than glass \(Y?\)

1) Glass \(X\) contains \(6\) ounces of punch and is half-full, while glass \(Y\) is \(75\%\) full

2) When glass \(X\) is full, it contains \(4/5\) of the total capacity of \(Y\)

The OA is A