Copper Mountain Group $($U$.$S$.).$ The Copper Mountain Group, a private equity firm headquartered in Boulder, Colorado, borrows $5,500,000$ for one year at $7\mathrm{.}625\%$ interest.

a$.$ What is the dollar cost of this debt if the pound depreciates from $$\frac{2\mathrm{.}0210}{}$ to $$\frac{1\mathrm{.}9410}{}$ over the year?

b$.$ What is the dollar cost of this debt if the pound appreciates from $$\frac{2\mathrm{.}0210}{}$ to $$\frac{2\mathrm{.}1630}{}$ over the year?

a$.$ What is the dollar cost of this debt if the pound depreciates from $$\frac{2\mathrm{.}0210}{}$ to $$\frac{1\mathrm{.}9410}{}$ over the year?

$\%($Round to two decimal places.$)$