please explain the interpretation per ratio of this Apple Inc.

Formula: 20172016 1. Asset Management \begin{tabular}{|l|l|} \hline A. Inventory Turnover & Cost of goods sold/Inventory \\ \hline & 2016 \\ \hline & 131376/2132=61.62 times \\ \hline & 2017 \\ \hline & 141048/4855=29.05 times \\ \hline \end{tabular} B. Days Sales Outstanding Receivables/(Annual Sales/360) 201615754/(215639/360)=26.30days201717874/229234/360)=28.07days C.FixedAssetsTurnoverSales/NetFixedAssets2016215639/214817=1.00times2017229234/246674=0.93times D.TotalAssetsTurnoverSales/TotalAssets2016215639/321686=0.67times2017229234/375319=0.61times