Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R. Assertion A : For a simple microscope the angular size of the object equals the angular size of the image. Reason R : Magnification is achieved as the small object can be kept much closer to the eye than 25 cm and hence it subtends a large angle. In the light of the above statements choose the most appropriate answer from the options given below :