Suppose a U.S. investor wishes to invest in a British firm currently selling for 64 per share. The investor has $12,800 to invest, and the current exchange rate is $2/. Suppose now the investor also sells forward 6,400 at a forward exchange rate of $1.90/. Calculate the dollar-denominated returns for each scenario. (Round your answers to 2 decimal places. Negative amounts should be indicated by a minus sign.) Price per Share () Exchange Rate: Rate of Return (%) at Given Exchange Rate $1.80/ $2.00/ $2.20/ % % 60 % 65 % % % 70 % % %