When buying a building, the duty fee that pays agree duty, rental place to involve even, first overhead expenses of hack fast convert into money, property, decorate, furniture and building depreciation expenses, these adding up hold investment about 20% the left and right sides.

According to the computational principle of company of international major conduct financial transactions, measure one part office building price is reasonable basic formula is: "Year 15 years = house property buys accrual × valence " . The office building that is like investment year accrual × is more than the money that buy a house 15 years, it is certain to show this investment project is had appreciate space.