work in excel and show your work

Suppose that, at the beginning of the semester $1.1825 would purchase 1.00 Euro. Suppose, also, that it now takes $1.190 to purchase 1.00 Euro. Also, suppose that at the beginning of the semester, $1.3439 purchased 1.00 while it now takes $1.3154 to purchase 1.00. At the same time, at the start of the semester, the $1 would purchase 111.39 Japanese Yen while $1 will now purchase 108.81 Japanese Yen. Has the U.S. $ gotten stronger or weaker versus each these currencies over the past month? Identify and explain events in the U. S. economy that might cause these exchange rates to change as they have