Instead of thinking about one field changing in response to the change of the other, it is more correct to say that. whenever the magnetic field is changing, so is the electric field, and vice versa.The way these fields change is governed by Maxwell's equations.This way, we do not arrive at the confusion OP has.nstead of thinking about one field changing in response to the change of the other, it is more correct to say that. whenever the magnetic field is changing, so is the electric field, and vice versa.
Gross profit = net sales â cost of goods sold. Gross profit percentage = [(net sales â cost of goods sold)/net sales] Ã 100%.
Gross Profit. Gross profit is the difference between a company&#039;s total revenues or sales of its products and services, and the direct costs associated with producing and selling a company&#039;s products and services, which is defined as the cost of goods or cost of sales.et profit, or net income, is a company&#039;s total earnings after subtracting all its expenses from its total sales and other income for a specific period of time. Typically, net profit is measured on a quarterly or annual basis.