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%.
1 gross profit is made up of variable + fixed expenses + net profit.  Sales, gross profit and net profit are the income earned by the business. Cost of goods, commissions/discounts, variable and fixed expenses are business expenses. A profit and loss statement shows planned and actual profit for your business. Our Financial statements template includes a profit and loss statement. Financial statements template (XLSX 301.88 KB) Improve profit by looking at the money you earn from sales.