C881

Whenever he found Yang Xiangdong's relatives or friends, Yang Fann would agree to buy their cabbage carrots at a price of 20 cents per catty. As for the relatives of the herbivores, Yang Fann also agreed to buy all of his herbivores at a price 30% higher than the fishmongers.

Why didn't Yang Fann use last year's price to buy from relatives and friends, instead