O Voce Estimating Useful Life and Percent Used Up The property and equipment footnote from the Deere & Company Equipment and Operations segment folows Property and Depreciation A summary of property and equipment at October 31 follows Useful Lives Property and Equipment (5 millions (Years 2014 Land 51145120 Buildings and building woment 2.572 2037 Machinery and equipment 4611 09 De patterns, took 1.567 1.12 Al other 25 Construction in progress 14 510 Totalcort 100 11,217 Lest med depreciation S6 S644 TO 542 5. BO Total property and equipment additions in 2015, 2014 and 2013 were 5666 million, 51,076 milion and $1.158 million and depreciation was $692 million, 5696 million and 5637 respectively a. Compute the average useful life of Deeres depreciable assets at year end 2015 Round answer to one decimal place b. Estimate the percent used up of Deeres depreciable assets at year end 2015 Round answer to one decimal place le 02345235 555