2. Calculation of project progress payment When the project progress payment is calculated by the adjustable unit price method, after the project quantity is determined, the project progress payment can be calculated according to the following steps: (1) The total price is obtained according to the project name, project number and unit price of completed project quantity; (2) Add the total price of all projects in this month to get the subtotal of direct project cost; (3) Calculate the measure fee, management fee and profit according to regulations; (4) Calculate the price difference or price difference coefficient of main materials according to regulations; (5) Calculate taxes according to regulations; (6) Accumulate the project progress payment receivable this month.