Appendix 4A provides a detailed discussion of cost concepts in transportation, including accounting, economic and social costs. Review these costs, and in a three- to four-page paper in APA format, be sure to address the following: Discuss how accounting, economic, and social costs can be used in transportation to mitigate risks associated with these costs. Analyze how the company's focus can impact these costs and impact risks. Provide at least one recommendation for each cost area that could mitigate the risks of those costs. Your paper must be three to four pages in length (not including the title and reference pages) and must be formatted according to APA style as outlined in the approved APA style guide. You must cite at least three scholarly sources in addition to the textbook