valley. (building construction). An inside angle formed where two sloping sides intersect. (geography). A generally broad area of flat, low-lying land bordered by higher ground.
In ordinary usage, price is the quantity of payment or compensation given by one party to another in return for goods or services.
The <b>cost pricing</b> is the theory that the price of an object is determined by the sum of the cost of the resources that went into making it. The cost can compose any of the factors of production(including labour, capital, or land) and taxation.