Interpreting and Applying Disclosures on Property and Equipment Following are selected disclosures from the Evett and Sternard Company (a specialty chemical company) 2007 10-K. IMPAIRMENT OF LONG-LIVED ASSETS impairment charges. (a) Compute the PPE (land, buildings and equipment) turnover for 2007 (Sales in 2007 are $8,897 million). (Round your answer to two decimal places.) k years (c) By what percentage are Evett and Sternard's assets "used up" at year-end 2007? (Round your answer to two decimal places.)