Problem: The Athletic Director at Purple University, a private university with a 60% male enrollment, has approached you for legal advice about a series of problems that Purple is experiencing. Four current female students, with the backing of the National Women's Law Center, have filed suit against the university claiming discrimination against women athletes in athletic scholarships and varsity sport opportunities. Even though women represent only 30% of varsity athletes and receive only 30% of the total scholarships, the AD is reasonably confident that Purple will win the case. The ADs reasons are based on the following four potential defenses: