please post excel sheet & formulas used

Last year, your small business (an LLC corporation) had $800,000 in revenue, $150,000 in operating expenses, and depreciation expenses of $100,000. Using the corporate federal tax rates from the tables in the book, what is the approximate federal tax your business will have to pay for this tax year? See Table 7.5 TABLE 7-5 Corporate Federal Income Tax Rates (2006) If Taxable income is: The Tax is: Over 0 $50,000 75,000 100,000 335,000 10,000,000 15,000,000 18,333,333 But Not Over $50,000 75,000 100,000 335,000 10,000,000 15,000,000 18,333,333 15% $7,500 + 25% 13,750 + 34% 22,250 + 39% 113,900 + 34% 3,400,000 + 35% 5,150,000 + 38% 35% of the Amount Over 0 $50,000 75,000 100,000 335,000 10,000,000 15,000,000 0 .. Source: Tax Information on Corporations, IRS Publication 542, 2006