Ratio	2020	2019
Return On Capital Employed	20%	15,30%
Inventory Turnover	108 days	91 days
Debtor ratio (debtor days)	21 days	19 days
Creditor ratio (creditor days)	86 days	75 days
Current ratio	1,8 times	1,6 times
Quick ratio	1,5 times	1,3 times
Debt / equity ratio	25,5%	29%
Interest cover	64 times	22 times
Return on Equity	20 %	15,2%
Price Earnings Ratio	12,4 times	15 times

Using 2019 and 2020 ratios, write a brief report (500 words in total) which compares the performance of Rio Tinto plc across both years.