1 You can only upload photos smaller than 5 MB. 2  You can only upload videos smaller than 600MB.  You can only upload a photo (png, jpg, jpeg) or a video (3gp, 3gpp, mp4, mov, avi, mpg, mpeg, rm).
The price to exchange one U.S. dollar for one unit of a foreign currency is called an exchange rate. The exchange rate of the U.S. dollar varies for different foreign currencies, which fluctuate daily based on a number of factors.
How exchange rate fluctuations affect companies. Most investors will be familiar with the concept of currency exposure, with constantly changing exchange rates affecting the cost of investing in international stocks. These same issues also affect companies that operate internationally.