Cash Accounts receivable Inventory Net fixed assets Total assets 2017 2018 $ 3,600 $4,200 24,600 15,400 11,500 13,000 4,200 13,500 $43.900 $46.100 Balance Sheet 2017 2018 $.2.100 $ 2,300 Accounts payable 4,900 5,600 Long-term debt 9,800 11,400 Common stock 27,100 26,800 Retained earnings $43.900 $46.100 Total liabilities and equity Income Statement Net Sales $61,800 Costs 39,200 Depreciation 5.200 EBIT 17,400 Interest 1.100 Taxable income 16,300 Taxes 5.500 Net Income $10.800 What will the firm's total tax expense be if the firm's marginal tax rate is equal to the firm's average tax rate and taxable income increases by $2,400? $6,648 $9,523 $6,310 $8,729