An exchange rate is $0\mathrm{.}6500$ and the six$-$month domestic and foreign risk$-$free interest rates are $5\%$ and $7\%($both expressed with continuous compounding$).$ What is the six$-$month forward rate?

$0\mathrm{.}6435$

$0\mathrm{.}6565$

$0\mathrm{.}6732$

$0\mathrm{.}6665$

$0\mathrm{.}6371$