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.
SUMMARY. The Mekong River system has a tremendous diversity of fish species, and this resource is a critical source of protein for the millions of people who live in the watershed. Over 1,200 fish species are known to inhabit the Mekong River system.These fisheries resources play a critical role in the regional economy and food security of all the riparian countries.ver 1,200 fish species are known to inhabit the Mekong River system. These fisheries resources play a critical role in the regional economy and food security of all the riparian countries.