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.
The Mekong River is steeped in a long history, and for thousands of years, it has been the lifeline of the populations that depend on it for survival. The earliest settlements along the river date to 2100 BC with the first recorded civilizationâthe Indianised-Khmer culture of Funanâdating to the 1st century.