please provide a detailed explanation and with a detailed financial analysis of Walmart vs Costco with following financial ratios I provided

Walmart on left and Costco on the right

Financial RatiOS Trend 1/31/2018 1/31/2017 1/31/2016 1/31/2015 Period Ending: Liquidity Ratios Current Ratio Trend 1/31/20181131/20171131/20161/31/2015 Period Ending Liquidity Ratios Current Ratio Quick Ratio Cash Ratio Profitability Ratios Gross Margin Operating Margin Pre-Tax Margin Profit Margin 101% 93% 24% 13% 97% 28% 14% 122% 63% 51% 76% Quick Ratio Cash Ratio Profitability Ratios Gross Margin Operating Margin Pre-Tax Margin Profit Margin Pre-Tax ROE After Tax ROB 20% nnR 4396 10% 13% 13% 13% 25% 25% 3% ,,11 3% 3% 4% 5% EE 4% 3% 27% 18% 5% 2% 2% AR NmNm 37% NmNm 25% 3% 30% 34% Pre-Tax ROE 19% 19% 1796 18% 20% After Tax ROE mlaa 13% Notes Comments E co