A statement of Assertion \((A)\) is followed by a statement of Reason \((R)\).
Choose the correct option:
Assertion \((A)\): The ratio of apples to oranges is \(4:5\). If 4 apples and 4 oranges are newly added, then the ratio becomes \(16:19\).
Reason \((R)\): Adding the same number to both quantities keeps the ratio unchanged.