Calculate the standard cell potential for the reaction $\text{Zn}+{\text{Cu}}^{2+}\to {\text{Zn}}^{2+}+\text{Cu}$, given that the standard reduction potentials for ${\text{Zn}}^{2+}/\text{Zn}$ and ${\text{Cu}}^{2+}/\text{Cu}$ are $-0.76\text{ V}$ and $+0.34\text{ V}$ respectively.

1. A.$0.42\text{ V}$
2. B.$1.10\text{ V}$
3. C.$-1.10\text{ V}$
4. D.$-0.42\text{ V}$