Here's a look at what causes hair to turn gray and some of the factors that affect graying. Answer: The age at which you'll get your first gray hair (assuming your hair doesn't simply fall out) is largely determined by genetics.
Profits or net income generally imply total revenue minus total expenses in a given period. In accounting, revenue is often referred to as the top line due to its position on the income statement at the very top. This is to be contrasted with the bottom line which denotes net income.
Expenses represent a deduction from revenue recorded in the calculation of net earnings for the period. If the company is buying and selling investments using their excess cash, realized losses would be called an expense. If a profit was made, it would be called other income.. The systematic write off of long-lived assets (also called fixed asset) is called depreciation or amortization expense.