Quoted Price

Spot rate of Canadian dollar $$\mathrm{.}74/1$CAD

$90$ day forward rate of Canadian dollar $$\mathrm{.}76/1$CAD

$90$ day Canadian interest rate $($periodic$)1\mathrm{.}3\%$ per $90$ days

$90$ day U$.$S$.$ interest rate $($periodic$)1\mathrm{.}8\%$ per $90$ days

Given this information, what would be the yield $($percentage return$)$ to a U$.$S$.$ investor who used covered interest arbitrage? $($Assume the investor invests $$100,000.)$ What market forces would occur to eliminate any further possibilities of covered interest arbitrage?