Given below are two statements, one is labelled as Assertion (A) and the other is labelled as Reason (R):
Assertion (A): The ENABLE input of an $m: 2^m$ decoder can be used to increase its size.
Reason (R) : The ENABLE input in an $m: 2^m$ decoder can be used as the $(m+1)^{th}$ input to result in a$ (m+1): 2^{m+1} $ decoder.
In the light of the above statements, choose the correct answer from the options given below.