A common-source amplifier with a drain resistance, $R_{D}=4.7\:k\Omega$, is powered

using a $10\:V$ power supply. Assuming that the transconductance, $_{m}$, is

$520\:\mu A/V$, the voltage gain of the amplifier is closest to:

1. $-2.44$
2. $-1.22$
3. $1.22$
4. $2.44$
in new
edited