17. The symbol can be used in a formula in Excel to indicate an exponent calculation in a formula. A. A B. C# I D. @ 18. In a "buying" analysis for a fixed asset purchase the following is(are) tax- deductible expenses on the firm's Income Statement: A Depreciation Expense applicable to the fixed asset. B. Interest Expense on the bank loan to fund the fixed asset purchase. C. Dividends paid to the firm's common shareholders. D. Marketable Securities owned by the firm. E A and B F. A and B and C and D. 19. In a lease vs. buy analysis, the appropriate "discount rate" to calculate the present value of the cash inflows and outflows for each year of the analysis is the firm's A. Return On Investment (ROI). B. Return On Equity (ROE). c. after-tax cost of debt financing, D. Effective Tax Rate