Hi I am attaching question. can you please help me on answers ?

Analysis and Interpretation of Profitability Balance sheets and income statements for 3M Company follow. Consolidated Statements of Income Years ended December 31 ($ millions) 2007 2006 $25,269 Net sales 2008 $24,462 $22,923 Operating expenses Cost of sales 13,379 12,735 11,713 Selling, general and administrative expenses 5,245 5,015 5,066 Research, development and related expenses 1,404 1,368 1,522 23 -849 -1,074 20,051 18,269 17,227 5,218 6,193 5,969 Interest expense 215 210 122 Interest income -105 -132 -51 110 78 71 Income before income taxes 5,108 6,115 5,625 Provision for income taxes 1,588 1,964 1,723 Net income including noncontrolling interest 3,520 4,151 3,902 60 55 51 $3,460 $4,096 $3,851 Loss/(gain) from sale of business Total operating expenses Operating income Interest expenses and income Total interest expense Less: Net income attributable to noncontrolling interest Net income Consolidated Balance Sheets ($ millions) 2008 2007 Assets Current Assets Cash and cash equivalents $1,849 $1,896 373 579 3,195 3,362 1,505 1,349 Work in process 851 880 Raw materials and supplies 657 623 Total inventories 3,013 2,852 Other current assets 1,168 1,149 Total current assets 9,598 9,838 Marketable securities-noncurrent 352 480 Investments 111 298 Property, plant and equipment 18,812 18,390 Less: Accumulated depreciation -11,926 -11,808 Property, plant and equipment-net 6,886 6,582 Goodwill 5,753 4,589 Intangible assets-net 1,398 801 36 1,378 1,659 728 $25,793 $24,694 $1,552 $901 1,301 1,505 Accrued payroll 644 580 Accrued income taxes 350 543 Other current liabilities 1,992 1,833 Total current liabilities 5,839 5,362 Long-term debt 5,166 4,019 Pension and postretirement benefits 2,847 -- Other liabilities 1,637 3,566 Total liabilities 15,489 12,947 9 9 3,006 2,785 Retained earnings 22,227 20,316 Treasury stock -11,676 -10,520 -3,686 -843 9,880 11,747 424 -- Marketable securities-current Accounts receivable-net Inventories Finished goods Prepaid pension benefits Other assets Total assets Liabilities Current liabilities Short-term borrowings and current portion of long-term debt Accounts payable Equity 3M Company shareholders' equity Additional paid-in capital Accumulated other comprehensive income (loss) Total 3M Company shareholders' equity Noncontrolling interest Noncontrolling interest Total equity Total liabilities and equity 0 Next 0 424 -- 10,304 11,747 $25,793 $24,694