Use your solution to the following problem to answer questions. A British investor sold U.S. stocks she bought one year ago. She had invested 75,000 to buy the shares for $50 per share and sold the shares for $65 per share. The exchange rate was $/ = 1.3353 at the beginning and $/ 1.4354 at the end of the period. How much of the return to the British investor was due to changes in exchange rates? -7.49% O 7.49% O -6.97% O 6.97%