The Sarbanes-Oxley Act was passed by the U.S. Congress to _____. 

 ensure that the independence of the accounting firms that offer other services to companies whose accounts they audit is not affected 

ensure that companies and their accountants provide directors, lenders, and shareholders with the information that they need to monitor progress 

ensure that companies are making enough profit to pay their lenders and shareholders 

ensure that companies' going concern is not affected