If we were still on the gold standard, and the price of gold was $$21\mathrm{.}03S\frac{D}{02},$ or $$25$ CAD$/$oz$,$ what i

USD$/$CAD exchange rate?

$$0\mathrm{.}9218$ USD$/$CAD

$$1\mathrm{.}1127$ USD$/$CAD

$$0\mathrm{.}8987$ USD$/$CAD

$57\mathrm{.}1$BB$7$ USDICAD