1. (2) At the end of each Broadway performance, the lead actor has decided to sell the jacket he wore for the performance that night to raise money for charity. An English auction is used. On the first night, someone pays $1,400, on the second night it sold for $1600, the third $3,000 and on the last night it sold for $900. Why did the value fluctuate substantially from night to night? Which bidders bid determine sale price?