This topic mainly investigates the pricing model of construction drawing budget expenses. According to the different calculation methods and management methods of budget expenses, the construction drawing budget can be divided into two pricing modes, namely the traditional pricing mode and the bill of quantities pricing mode.

Traditional pricing model

The traditional pricing model in China is a model of pricing the project cost by using the quota and charging standards uniformly stipulated by the state, departments or regions, which is also commonly called quota pricing model. That is, quantity unit price method.

Valuation mode of bill of quantities

The unit price method of bill of quantities is a method to calculate the project cost in the form of comprehensive unit price according to the unified national engineering quantity calculation rules.

Item AB is correct.

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