Can you check my ratio calculation of Woolworths Group Ltd for financial year 2019/18.

Calculate the Liquidity, Solvency and Profitability (categories) ratios for financial year 2019 and 2018 Of Woolworths Company Financial Statement And Ratio Analysis Of Woolworths Company, 2019/2018 A. LIQUIDITY RATIOS 1. Current Ratio 2019 8TOZ Current Assets 6298 7014 Current Liabilities 8620 9029 0.73062645 0.776830214 2. Quick Ratio 2019 2018 Cash +marketable securities+ net receivables 2018 2781 Current Liabilities 8620 9029 0.23410673 0.308007531 3. Receivables Turnover 2019 2018 Net credit sales 59984 56944 Average net trade receivables 682 634 87.9530792 89.8170347 B. SOLVENCY RATIOS 1. Debt to total Assets Ratio 2019 2018 Total Liabilities 12822 12542 Total Assets 23491 23391 54.5826061 53.61891326 2. Times interest earned 2019 2018 Screenshot Earning before interest and tax 2353 2548Screenshot F Interest expense 3. Cash debt coverage Net cash provided by operating activities Average total liabilities C. PROFITABILITY RATIOS 1. Return on ordinary shareholders equity Profit after tax Shareholder's equity 2. Return on assets Profit after tax Total assets 3. Prot Margin Profit after tax Net Sales 126 18.6746032 2019 2948 12682 23.2455449 2019 2759 10669 25.8599681 2019 2759 23491 11.7449236 2019 2759 59984 4.59955988 2018 154 1654545455 2018 2994 12790.85 23.4073576 2018 1795 10849 16.54530371 2018 1795 23391 7.67389 1668 1795 56944 3.152219725