Which of the following statement(s) is/are true about employee stock option (ESOPS) and exchange-traded call options (EXOPS)?

I. ESOPS generally cannot be traded

II. The exercise of EXOPS and ESOPS both affect the number of shares outstanding

III. Employees are usually liable to forfeit their ESOPS if they leave the company

I and II only

I and III only

II and III only

All of above