To encourage employee ownership of the company's common shares, Thibodeau Corporation permits any of its employees to buy shares directly from the company through payroll deduction. There are no brokerage fees and shares can be purchased at a $10\%$ ?discount. During May, employees purchased $13,000$ ?shares at a time when the market price of the shares on the New York Stock Exchange was $$13$ ?per share. Thibodeau will record compensation expense associated with the May purchases of:

$$0.$

$$17,800.$

$$16,900.$

$$169,000.$