Currently, the spot exchange rate is $$0\mathrm{.}71$ per A$ and the one$-$year forward exchange rate is $$0\mathrm{.}67$ per A$$.$ One$-$year interest is $3\mathrm{.}5\%$ in the United States and $4\mathrm{.}2\%$ in Australia. You may borrow up to $$1,000,000$ or A$$1,408,451,$ which is equivalent to $$1,000,000$ at the current spot rate.