the plant or animal tissue rich in such molecules, considered as a food source supplying essential amino acids to the body. 3. (formerly) a substance thought to be the essential nitrogenous component of all organic bodies. adjective. 4. Biochemistry. of the nature of or containing protein.
The rate, as well as the amount, you pay changes as the amount of income does. You must file a tax return if you had net earnings from self-employment of $400 or more. This is your total self-employment income less the expenses paid in operating your trade or business, multiplied by 92.35%.
In the meantime, here's a rundown of the IRS filing requirements for this tax season. If your gross income from 2013 was lower than the amount listed in your filing status, you probably won't have to file. But if it's over, you will. â¢ Single: $10,000 ($11,500 if you're 65 or older by Jan. 1, 2014).