If the input bias current is 200 mua find w1 w2 and l to

Question

The MOSFETs in the current mirror of Fig. 8.12(a) have equal channel lengths, μnCox =400 μA/V2 and V/ A =20 V/μm. If the input bias current is 200 μA, find W1, W2, and L to obtain a short-circuit current gain of 4, an input resistance of 500 Ω, and an output resistance of 20 kΩ