Dicks Sporting Goods included the following information in its year-end 2015 10-K Sales PPE, gross $6,882,077 2,598,648 Land Construction in progress 124,400 Accumulated depreciation 1,317,429 PPE, net, at year-end 2014 1,203,382 Depreciation expense 193,594 a. Compute PPE turnover. Round answer to one decimal place. b. Compute the average useful life. Round answer to one decimal place. years c. Compute the percentage used up of the PPE. Round answer to one decimal place (ex: 0.2345 = 23.5%)