The current spot exchange rate is $$1\mathrm{.}55/$ and the $90-$day forward rate is $$1\mathrm{.}52/.$ Based on your forecasting model of $$/,$ you are confident that the spot exchange rate will be $$1\mathrm{.}32/$ in $90$ days. What actions do you need to take today to speculate to make a profit based on this forecast $($assuming no transaction costs$)?$

a$.$

Buy a $90-$day $ forward for $$1\mathrm{.}52/.$

b$.$

Sell a $90-$day $ forward for $$1\mathrm{.}52/.$

c$.$

Buy $ today at $$1\mathrm{.}55/$; wait $90$ days, if your forecast is correct sell $ at $$1\mathrm{.}32/.$

d$.$

Sell $ today at $$1\mathrm{.}55/$; wait $90$ days, if your forecast is correct buy $ at $$1\mathrm{.}32/.$