P 5-3 The Kelly Services, Inc., and Subsidiaries balance sheets from its 2010 annual report are presented in Exhibit 5-4. Required a. Using the balance sheets, prepare a vertical common-size analysis for 2010 and 2009. Use total assets as a base. b. Using the balance sheets, prepare a horizontal common-size analysis for 2010 and 2009. Use 2009 as the base. c. Comment on significant trends that appear in (a) and (b)