Which of these methods can be used to know the degree of

Which of these methods can be used to know the degree of adjustment made by the user?

1. getAdjustmentAmount()
2. getAdjustmentValue()
3. getValue()
4. getAdjustmentType()
5. None of these

The amount of the adjustment can be obtained from the getvalue() method, it returns an integer value corresponding to the amount of adjustment made.