Erin McQueen purchased 50 shares of BMW, a German stock traded on the Frankfurt Exchange, for 64.5 euros () per share exactly 1 year ago when the exchange rate was 0.67 /US$. Today the stock is trading at 71.8 () per share, and the exchange rate is 0.75 /US$. a. Did the depreciate or appreciate relative to the US$ during the past year? Explain. b. How much in US$ did Erin pay for her 50 shares of BMW when she purchased them a year ago? c. For how much in US$ can Erin sell her BMW shares today? d. Ignoring brokerage fees and taxes, how much profit (or loss) in US$ will Erin realize on her BMW stock if she sells it today?