With a differential gain of 50,000 and a common-mode gain of 2, what is the common-mode rejection ratio?

With a differential gain of 50,000 and a common-mode gain of 2, what i

1.	With a differential gain of 50,000 and a common-mode gain of 2, what is the common-mode rejection ratio?
A.	87.9 dB
B.	43.9 dB
C.	43.9 dB
D.	87.9 dB
Answer» E.