David is a senior CEO who has made up his mind to go to the company with the best treatment  Huizhong and Cantor are interested in hiring him, and the two companies are treated the same in other respects, except for a slight difference in salary  The terms offered by Huizhong Company are: a half-year salary of US $500000 and an increase of US $50, 000 per half-year
Kantuo's condition is an annual salary of US $1 million and an annual salary increase of US $200000
David will go to Cantor because he will have an extra $50,000 a year.