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.
In English the river is called the Mekong River, derived from Mae Nam Khong, a term of both Thai and Lao origin. In the Lao-Thai toponymy, rivers translates to mother of water, signalled by the prefix mae, meaning mother, and nam for water.rom there it flows southwest and forms the border of Burma and Laos for about 100 kilometres (62 mi) until it arrives at the tripoint of Burma, Laos, and Thailand. This is also the point of confluence between the Ruak River (which follows the Thai-Burma border) and the Mekong.