Managers in one unit would balk at paying the price another unit charged for supplies.

FORBES: Mr. Big

Many investors expect the Verizon unit to start paying significant dividends its two parent companies from around 2012, said Tom Gidley-Kitchin, an analyst at brokerage firm Charles Stanley.

FORBES: Magazine Article

Flaherty broke his Conservative Party's election promise not to impose any additional taxes on the trusts, which are able to pay out most of their earnings as dividends to unit holders without paying tax on the corporate level.

FORBES: Gurus Can Canadian Trusts & Time Warner

In fact, they are paying off the cost of the unit.

ECONOMIST: Monitor

Buy a partnership unit and you're paying for assets at fair market value or higher. 7.

FORBES: Limited Returns

"Manx Gas is paying about 20% more today per unit of gas than we were a year ago and against that we are only increasing our prices for natural gas by 5.5%, " said Mr Nicholls.

BBC: Gas ring

So now, this unit is, in a sense, paying expenses typical of a full-sized shop but probably generating revenues closer to what one might expect of a small take-out outlet.

FORBES: Is Bureaucracy Hurting Starbucks?

Such income producing strategies may include bonds, dividend paying equities, mutual funds, closed-end funds, exchange-traded funds ( ETFs) and unit investment trusts (UITs), to name a few.

FORBES: Why The Fed May Have To Break Its Pledge And Raise Interest Rates Before 2015