Suppose the following financial data were reported by 3M Company for 2019 and 2020 (dollars in millions). 3M Company Balance Sheets (partial) 2020 2019 Current assets Cash and cash equivalents $ 3,008 $1,899 Accounts receivable, net 3,110 3,065 Inventories 2,675 3,017 Other current assets 1,890 1,542 Total current assets $10,683 $9,523 Current liabilities $ 4,974 $5,821 (a) Calculate the current ratio and working capital for 3M for 2019 and 2020.