Some visceral efferent neurons begin in the brain; others in the spinal cord. Because we're focusing on spinal nerves right now, we'll focus on those that begin in the spinal cord. It always takes two visceral efferent neurons to conduct an impulse from the spinal cord (or brain, in some cases) to a muscle or gland: 1  Visceral efferent 1 (also called the preganglionic neuron) is a multipolar neuron that begins in the gray matter of the spinal cord, which is where its cell body is located.
Your Gross Profit = $25-$3.00=$22.00 each. You can calculate the cost of your end product pretty reliably. You pay a certain amount for a T-Shirt, it takes a certain amount of ink to produce the image and a relatively fixed amount of time for each shirt depending on your printer and how many heat presses you have.
Consider a shirt manufacturing business. In 2011, the company sells 1 million shirts to retailers, who pay them $10 per shirt. So the total revenue for the business is $10 million. In the course of doing business, the company incurs various expenses. e.g. raw material for shirts (cloth, buttons etc.), purchase and upkeep of machinery, personnel costs and other capital and operational expenses.