Suppose a U.S. investor wishes to invest in a British firm currently selling for 40 per share. The investor has $12,000 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.) Answer is complete and correct. b. Fill in the table below for dollar-denominated rates of return after one year in each of the-nine scenarios (three possible share price denominated in pounds times three possible exchange rates). (Round your percentage answers to 2 decimal places. Negative amounts should be indicated by a minus sign.)