if the $\text{op-amp}$ in given figure, has an input offset voltage of $5 \; \mathrm{mV}$ and an open-loop voltage gain of $10,000,$ then $v_{0}$ will be

- $0 \mathrm{~V}$
- $5 \; \mathrm{mV}$
- $+15 \mathrm{~V}$ or $-15 \mathrm{~V}$
- $+50 \mathrm{~V}$ or $-50 \mathrm{~V}$