Life and Percent bied op The property and equipment footnote from the Deere & Company Equipment and Operations segment follows. Property and Depreciation A summary of property and equipment at October 31 follows. Property and Equipment (5 millions) Land Useful Lives (Years) 2015 2014 $114 $120 Buildings and building equipment 23 3238 1037 Machinery and equipment 11 5277 5009 Dies patterns, tooh, etc All other Construction in progress Total at cost Lass accumulated 1.567 1.552 5 375 09 345 530 11416 11,217 5046 5004 $5,570 $5523 Total property and equipment additions in 2015, 2014 and 2013 were $666 million $1,016 million and $1,158 million, and deprecation was $092 million, 1696 milion and $637 million respectively a. Compute the average useful life of Deere's depreciable assets at year-end 2015 Round answer to one decimal place 174 years b. Estimate the percent used up of Deens depreciable assets at year end 2015. Round answer to one decimal place lex: 0.2345-23:54) 514