Seeing the old man's hesitation, Yan Laowu decisively drew his knife and said: "Old man, blue bricks are 20,300 per unit, red bricks are 20,800 per unit, a total of 48,000.","Okay!" Old Second readily agreed. "I didn't bring it with me today, I'll come deliver the money tomorrow.",Qi Si moved downstairs, and he introduced himself to people.。