German for X rays where 'X'  means   'unknown'. In Europe X-rays are known as Roentgen rays.    X-Radiation is a form of electromagnetic radiation having a  wavelength of   0.01 to 10 nanometers.NS2: The name x-ray was applied to radiation in the same frequency as gamma radiation but which originate from a man-made source.
wikiHow to Calculate Gross Profit Margin. Gross profit is a fairly simple comparison of the cost of the goods your company sells to the income derived from those goods. Gross profit margin is the ratio of gross profit to total revenue expressed as a percentage.
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.