The forward price for the GBP$/$AUD exchange rate is AUD $1\mathrm{.}00=$ GBP $0\mathrm{.}58.$ You enter a short forward contract covering $500$ GBP $($that is$,$ the contract allows you to sell GBP $500$ at the forward price$).$ You close out this forward position when the forward price is AUD $1\mathrm{.}00=$ GBP $0\mathrm{.}70.$ What is profit or loss on your forward trading?