Copper Mountain Group (U.S.). The Copper Mountain Group, a private equity firm headquartered in Boulder, Colorado, borrows 4,500,000 for one year at 7.125% interest. a. What is the dollar cost of this debt if the pound depreciates from $2.0260/ to $1.9450/ over the year? b. What is the dollar cost of this debt if the pound appreciates from $2.0260/ to $2.1620/ over the year? a. What is the dollar cost of this debt if the pound depreciates from $2.0260/ to $1.9450/ over the year? % (Round to two decimal places.) b. What is the dollar cost of this debt if the pound appreciates from $2.0260/ to $2.1620/ over the year? % (Round to two decimal places.)