$ millionsCurrentRatioAcid$-$TestRatioCurrentRatioAcid$-$TestRatioCurrent assetsCash and equivalents$$23,646$$$34,940$Marketable securities $($current$)24,65827,699$Accounts receivables, net$28,18426,278$Inventories, net$4,9466,580$Vendor non$-$trade receivables$32,74825,228$Other current assets$21,22314,111$Total current assets$$83,575$$$73,618$Total quick assets$$51,830$$$61,218$Total current liabilities$$135,405$X$$153,982$$$134,836$$$125,481$Ratio$0\mathrm{.}620\mathrm{.}340\mathrm{.}550\mathrm{.}49$