Mediation by the industrial and commercial staff, Mr.Cai business for free exchange of 4 with brand new double-decker tire carcass, and compensation for their loss of working time costs 100 yuan.

• 经工商人员调解，商家为蔡先生免费调换了4个新的同品牌双层胎体轮胎，并赔偿其误工费100元。