Which of the following statements is most correct? Sunk costs can be altered by a firm's future investment decisions: For capital budgeting purposes, interest paid is not deducted when finding a projects expected future cash fows Because a business has no choice about paying taxes, taxes are generaly ignored in evaluating cipital projects: If an old asset has been fully depreciated to a book value of zero and is old for less than its orginal cost, there is no taxiliability becaise the atsat has alinasy bent withen iff If a firm's marginal tax rate is 40 percent, an addicional one dollar depreciation charge will resitit in a 60 -cens net cash fow