Suppose a U.S. Investor wishes to invest in a British firm currently selling for 34 per share. The investor has $6,800 to invest, and the current exchange rate is $2/. Required: a. How many shares can the investor purchase? (Round your answer to the nearest whole number.) Fill in the table below for dollar-denominated rates of return after one year in each of the nine scenarios (three possible share pi nominated in pounds times three possible exchange rates). (Round your percentage answers to 2 decimal places. Negative hounts should be indicated by a minus sign.)