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.
Traditionally, it is believed that the Chinese civilization originated in the Yellow River basin. The Chinese refer to the river as the Mother River and the cradle of the Chinese civilization.ccording to the China Exploration and Research Society, the source of the Yellow River is at 34Â° 29' 31.1 N, 96Â° 20' 24.6 E in the Bayan Har Mountains near the eastern edge of the Yushu Tibetan Autonomous Prefecture.