Selected financial data regarding two competing airlines are provided as follows:

$$

$($$ in millions$)$Company ACompany BCurrent assets:Cash and cash equivalents$$1,225$$$4,684$Current investments$3,1041,351$Net receivables$8111,844$Inventory$525388$Other current assets$270637$Total current assets$$5,935$$$8,904$Current liabilities:Current debt$$6,702$$$6,991$Accounts payable$2,6722,407$Other current liabilities$01,604$Total current liabilities$$9,374$$$11,002$

$$

Required:

$1-$a$.$ Calculate the current ratio for Company A and Company B$.$

$1-$b$.$ Which company has the more favorable current ratio?

$2-$a$.$ Calculate the acid$-$test $($quick$)$ ratio for Company A and Company B$.$

$2-$b$.$ Which company has the more favorable acid$-$test ratio?