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.
Factors that can affect the balance of trade include: 1  The cost of production (land, labor, capital, taxes, incentives, etc.) in the exporting economy vis-Ã -vis those in the importing economy; 2  The cost and availability of raw materials, intermediate goods and other inputs; 3  Exchange rate movements;