Karl is a brand-new at-will hire at Microsoft. Karl has been…

Karl is a brand-new at-will hire at Microsoft. Karl has been tasked of looking through Microsoft’s books and ensuring the numbers are correct. During his job, Karl noticed that many transactions under Microsoft have been left blank and assets seem to have been written off. Karl investigates and finds out Microsoft has been doing this to decrease its tax bill every year. Karl goes to the FBI and informs the FBI that Microsoft has been writing off assets to lower its tax bill. When Microsoft finds out it is being investigated for tax fraud, Microsoft fires Karl. Will Karl be successful in suing Microsoft?