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.
What is accrued expense? An accrued expense is an accounting term referring to an expense that is owed but not yet paid for (also known as an accrued liability). For more on other kinds of liabilities, see the encyclopedia entry liability. The accrued expense concept is one of several accounting conventions made necessary by the use of accrual accounting, in which revenues are recorded when earned and expenses are recorded when owed.