There are three main sources of heat in the deep earth: (1) heat from when the planet formed and accreted, which has not yet been lost; (2) frictional heating, caused by denser core material sinking to the center of the planet; and (3) heat from the decay of radioactive elements. CROSS SECTION shows Earth's structure.
â The operating margin was an especially useful metric or ratio during the meeting as we wanted the discussion to include revenue statistics.
Definition: Operating profit is the profitability of the business, before taking into account interest and taxes. To determine operating profit, operating expenses are subtracted from gross profit. Operating profit is a key number for managers to watch as it reflects the revenue and expenses that they can control. Operating profit and EBIT (earnings before interest and taxes) are the same thing.