In the following questions, a statement of Assertion (A) is followed by a statement of Reason (R). Choose the correct option: 
 
Assertion (A):In a quadrilateral, if three angles \(95^\circ,85^\circ\) and\(110^\circ\), then the fourth angle must be 70.
Reason (R): The sum of interior angles of a quadrilateral is \(360^\circ\).