Tia has been written up several times in the past 6 months for being late to work. Tia is now two months pregnant. She continues to be late for work and was told that if she continues with her lateness she will be fired. She tells her boss that it is discriminatory for him to fire her because she is pregnant, which contributes to her being late. If the employer fires Tia, is it likely that he will be justified in firing her without facing a discrimination suit being that she is pregnant? Briefly explain