That time has since passed and companies now offer a defined contribution plan instead.Questions:1) Why do you think that they have made this change? 2) Do you think that this is ethical behavior for the companies of today? Why or why not?3) Having a pension plan is way better than not having one. But are defined benefit better than defined contribution plans? If yes, how so? Directions: Provide specific details to support your opinion in your response. No plagiarism as your papers will be checked thoroughly.Please use the attached sources (which are mandatory) and selected outside sources of your choosing. Must reliable sources.