A statement of Assertion (A) is followed by a statement of Reason (R). Estimate the correct option.
Assertion (A) :\(ABCD\) is a trapezium with \(DC || AB\). \(E\) and \(F\) are points on \(AD\) and \(BC\) respectively, such that \(EF|| AB\). Then \(\frac{AE}{ED} = \frac{BF}{FC}\).
Reason (R) : In a trapezium, a line parallel to the parallel sides produces equal ratios on the non-parallel sides.