Corporate Finance If a company is profitable and pays taxes, why is the cost of its debt rd(1-t), lower than thecost if the company did not pay taxes rd? i.e. why has the formula been multiplied by (1-t)?

Which of the following would reduce a firm's WACC after tax? a. A firm invests in an average-risk project using equity, rather than debt financing. b. A supermarket chain decides to establish hardware stores which increases its systematic risk. c. A firm issues shares and uses the proceeds to pay off a bank loan. d. A firm issues bonds and uses the proceeds to repurchase stock. e. A firm significantly improves its operating cost control to boost profits.

Suppose a firm wants to maintain a specific TIE ratio. It knows the amount of its debt, the interest rate on that debt, the applicable tax rate, and its operating costs. With this information, the firm can calculate the amount of sales required to achieve its target TIE ratio. a. True b. False