Suppose the price of gold is P$ $=$ $$1,899\mathrm{.}66/$oz and P$=1,621\mathrm{.}32/$oz$.$ The PPP requires the spot exchange rate to be $$\_\_\_\_\_\_\_\_/.$

$$1\mathrm{.}1717/$

$$0\mathrm{.}8587/$

$$1\mathrm{.}8997/$

$$1\mathrm{.}6213/$

$$0\mathrm{.}9125/$