The current AUD$/$USD spot price is $0\mathrm{.}6605.($You get $0\mathrm{.}6605$ USD for one AUD$).$ The

USD risk$$free rate is $5\%($continuously compounded$).$ The AUD risk$$free rate is $4\%$

$($continuously compounded$)$ The AUD forward price with $9$ months to maturity is $0\mathrm{.}6515.$

Are there arbitrage opportunities? If no$,$ why no$?$ If yes, carefully explain how you would

take advantage of those opportunities. Be very specific.