是商业买家注意到赢利？
“感兴趣的人以上文章”是商业买家注意到赢利？
People interested in the above article Are Business Buyer Notes Profitable?
解答：首先要注意到当价格为10或更高时，买家1的需求量为0，而当价格为5或更高时，买家2的需求量为0。
Solution:First, note that buyer 1 buys zero at a price 10 or higher, while buyer 2 buyszero at a price of 5 or higher.
应用推荐