Olivia is the most talented app developer at the Happy Go Lucky tech incubator just outside of San Francisco, California. Olivia graduated at the top of her class at MIT and successfully spearheaded multiple product launches. Over the course of a business dinner, Olivia learned that Will, who has been at the company longer but has produced much less value, earns a higher salary.$$Outraged$,$ Olivia takes her claim to the Equal Employment Opportunity Commission. What defense would Happy Go Lucky be able to assert?