... millions of dollars)End of Year Start of YearAssetsCash and marketable securities 89 1 58 Receivables 2, 382 2,490Inventories 187 2 38 Other current assets 86 7 932Total current assets 3,525 3 ,81 8Net ... 1525,750–62,450 43,050–104,050 28 62,450–130,250 104,050–1 58, 550 31130,250– 283 ,150 1 58, 550– 283 ,150 36Over 283 ,150 Over 283 ,150 39.6MARGINAL TAX RATEAdditional taxes owed perdollar of additional income.AVERAGE ... DataYear Ending, First End of First Quarter End of First QuarterQuarter 1999 19 98 1999Sales $3,9 68 Inventory $470 $4 68 Cost of goods sold 3,5 18 Accounts receivable 471 481 Accounts payable 304...