1 For example, if you had $800.00 profit from self-employment, you would multiply 800 by .9235. 2  800 x .9235 = 738.80. 3  You would enter 738.80 on line 4 of the Short Schedule SE form. 4  If this amount is less than $400 you do not need to pay self-employment tax.
it is matter composed of organic compounds that has come from the remains of organisms such as plants and animals and their waste products in the environment organic molecules can also be made by chemical reactions that don t involve life
A: Matter moves through an ecosystem through the recycling of energy and nutrients between different trophic levels. The first trophic level consists of primary producers like plants that can manufacture their own food through photosynthesis. Similarly, plants require nutrients like nitrogen to grow.