The source of the input cost is the savings accumulated from the income of Zheng'en ENT Clinic (Note 7) and the profit from the sale of houses (Note 8) from 1999 to 2012
The input costs were financed by the savings accumulated from income from the Zhengen Otolaryngology Clinic (Note 7) and profit from the sale of the house (Note 8) between 1999 and 2012
The source of investment cost is the savings accumulated by the income of the ENT clinic (Note 7) and the profit from house sales (note 8) from 1999 to 2012