Shale/Coal/Oil are the most important mineral resources in Appalachia and are used as a source of energy by many in the world.
Context please so we can understand what you mean
Answer:
Explanation:
Profit can be calculated in many ways. But to find profit, you must take your total earnings and subtract it by your expenses. Showing your profit.
Example equation:
T-E=P
(P: Profit.)
(E: Expenses)
(T: Total Earnings)
Remember, expense includes tax too. Before you can cash out a check, it goes through your taxes and removes the amount for the pay of the tax(es).