The one$-$year interest rate in the U$.$S$.$ is $i_{\text{\$}}=2\%$ and in the euro zone the one$-$year interest rate is $i_{}=6\%.$ The one$-$year forward exchange rate is $$1\mathrm{.}1586=1\mathrm{.}00$; what must the spot rate be to eliminate arbitrage opportunities?

a$)$ $$1\mathrm{.}2471=1\mathrm{.}00$

b$)$ $$1\mathrm{.}2235=1\mathrm{.}00$

c$)$ $$1\mathrm{.}2040=1\mathrm{.}00$

d$)$ none of the above