Consider the inverting configuration with R$,=1$ kS and R$,=100$ k$2,$ that is$,$ having an ideal closed$-$loopgain of $-100.($a$)$ Find the closed$-$loop gain for the cases A $=10\text{'},10*,$ and $10\backslash$deg $.$ In each case determine the percentageerror in the magnitude of G relative to the ideal value of R$,/$R$,($obtained with A $=00).$ Also determinethe voltage v$,$ that appears at the inverting input terminal when v$,=0\mathrm{.}1$ V$.($b$)$ If the open$-$loop gain A changes from $100,000$ to $50,000($i$..,$ drops by $50\%),$ what is the corresponding percentage change in the magnitude of the closed$-$loop gain G$?$