Look back at the example policy regarding the U.S. Postal Service. Which of the following statements would be useful in developing the background of the issue? Increasing the rate would provide the department with needed cash flow. A surplus of funding may allow the ability to reorganize the service. Postal rates have seen a steady increase since inflation in the 1970s. The United States Postal Service should increase rates by 10 cents.Which approach to framing an argument involves appeals to your knowledge, experience, and reliability? Ethos and credibility Assertion Pre-emptive arguments Appeal to authority and precedent