According to the author, we know that extreme income inequality has increased in the following way(s): Question 24 options: a) the ratio of salaries of corporate executives to workers was 20-to-1 in the past, but in 2017 it was 271-to-1. b) each dollar received in job earnings doesn't purchase nearly what it used to in years past. c) only the wealthy, elite, and affluent can afford to attend college in today's society. d) almost all of those in lower income brackets lack the transportation to get out to the polls and vote