The calculation methods of indirect costs can be divided into the following three types according to the basis of charging: (1) based on direct costs; (2) The total labor cost and mechanical cost shall be taken as the calculation basis; (3) Labor cost as the calculation basis; 1. The fees and rates are comprehensively determined according to the contract price analysis data of typical projects in this area: (1) Labor and machinery fees per 10,000 yuan of contract price.

(2) The proportion of labor cost to direct cost.

(3) The base of the payment standard for expenses included in the contract price per 10,000 yuan.

Rate calculation formula Ⅰ

Based on direct cost Ⅱ

Based on the total labor and machinery costs Ⅲ.

Calculation based on labor cost. 2. Calculation formula of enterprise management rate Ⅰ

Based on direct cost Ⅱ

Based on the total labor and machinery costs Ⅲ.

Calculation based on labor cost