Answer: Option C
Explanation: In the given case, Appleton co. is engaged in foreign transactions in its business. Thus, their business heavily affects from the foreign currency exchange rates.
As we know that american dollar is the most commonly used denomination of the world that is used in international trading if the dollar becomes strong foreign counties will shift their demand to other products as buying in dollar would be hard from them.
Thus, from the above we can conclude that the correct option is C.