More than 500,000 of Volkswagen's diesel cars were fitted with faulty software to rig emissions tests. A group of research scientists revealed in September 2015 that Volkswagen had fitted some of its diesel engines with a device that allowed the cars to pass emissions tests despite emitting as much as 40 times the legal limit, and the company later admitted 11 million vehicles worldwide were affected by the cheating software. You have recently been hired by Volkswagen look at how leadership had failed with the giant car company.There are three key deficiencies in the study of leadership discussed in the textbook Business Ethics: A Managerial Approach. Describe these deficiencies and offer suggestions on how you can use them as a basis for improving leadership at Volkswagen.