The IRS provides more information about this in IRS Publication 542, Corporations. Self Employment Tax. Self-employment tax is social security and Medicare tax for people who are self-employed. This tax applies to those who are sole proprietors with a net profit of $400 or more during the year.
The Mekong River originates at the Lasagongma Spring. The spring is located in the high plateaus of Tibet. It is estimated to be 4,350 kilometers long. 1 person found this useful.
Where is the Mekong river located? With a length of 1,755 miles, the Amur River is the longest river in the Russian Far East and the third-longest river in China. Over its course, the Amur River constitutes the border between Siberia and the Chinese province of Heilongjiang. The name of the island Sakhalin comes from a Tungusic name for the Amur River.