The following table sets forth the calculation of basic and diluted earnings per share:

 

For the three months ended February 29, 2020, the Company excluded the effect of 232,737 outstanding stock options from the computation of diluted earnings per share, as the effect of potentially dilutive shares from the outstanding stock options would be anti-dilutive. For the three months ended February 28, 2019, the Company excluded the effect of 51,636 outstanding stock options from the computation of diluted earnings per share, as the effect of potentially dilutive shares from the outstanding stock options would be anti-dilutive.