If one U$.$S$.$ dollar buys $0\mathrm{.}83$ euro, how many dollars can you purchase for one euro?

a$.$ $$0\mathrm{.}9150$

b$.$ $$2\mathrm{.}2048$

c$.$ $$1\mathrm{.}2048$

d$.$ $$0\mathrm{.}8300$

e$.$ $$1\mathrm{.}0000$