finance

Which of the following would increase a firm's WACC before tax? O a. A firm invests in an average-risk project using equity, rather than debt financing. Ob. A supermarket chain decides to establish hardware stores which increases its sensitivity to market fluctuations. OC. A firm issues bonds and uses the proceeds to repurchase stock. Od. A pharmaceutical research company develops a 100% effective COVID vaccine, which reduces its systematic risk in the market. e. A firm issues shares and uses the proceeds to pay off a bank loan