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.
For the computing term, see Overhead (computing) . In business, overhead or overhead expense refers to an ongoing expense of operating a business; it is also known as an operating expense. Overheads are the expenditure which cannot be conveniently traced to or identified with any particular cost unit.Such expenses are incurred for output generally and not for particular work order e.g., wages paid to watch and ward staff, heating and lighting expenses of factory etc.verhead expenses are all costs on the income statement except for direct labour, direct materials, and direct expenses. Overhead expenses include accounting fees, advertising, insurance, interest, legal fees, labor burden, rent, repairs, supplies, taxes, telephone bills, travel expenditures, and utilities.