U$.$S$.$ dollars $($USD$)$ are the base currency and Bahraini dinar $($BHD$)$ are the price currency.

If $1$ USD can purchase $0\mathrm{.}56$ BHD$,$ what is the exchange rate?

$1\mathrm{.}12$

$0\mathrm{.}44$

$1\mathrm{.}79$

$3\mathrm{.}51$