Data (millions)	2021	2020	2019	2018
Inventory:
Raw Materials	242	198	155	128
Work in progress	116	77	49	33
Finished goods	567	482	398	257
Total inventory	925	757	602	418
Current assets	1800	1423	1183	841
Total Assets	2643	2523	2408	2090
Current Liabilities	600	590	525	420
Sales	9428	8674	7536	6840
Cost of goods sold	6,328	5,474	4,445	3,557
Net profit	754	987	979	958

1. Compute Quick/Acid test for the four years.