Because the price of Yao's paintings and calligraphy is between "3000 ~ 5000" yuan per square foot, the specific price will change with the different trading objects, trading platforms and trading methods, so some people will want to charge the market price.
Yao: Gansu Longxi, member of China Calligraphers Association; Member of China Calligraphers Association; Vice President of China Media Painting and Calligraphy Institute; Member of China Yu Youren Calligraphy Society; Member of Shaanxi Calligraphers Association; Member of Beijing Jinghua Pavilion Painting and Calligraphy Institute; Vice President of Shaanxi Branch; Xi, Dean of Tongren Painting and Calligraphy Institute.