A firm has zero debt in its capital structure and has an overall cost of capital of 10 percent. The firm is considering a new capital structure with 60 percent debt at an interest rate of 8 percent. Assuming there are no taxes or other imperfections, what would be the cost of equity with the new capital structure

Firms like papa john’s, domino’s, and pizza hut sell pizza and other products that are differentiated in nature. while numerous pizza chains exist in most locations, the differentiated nature of these firms’ products permits them to charge prices above marginal cost. given these observations, is the pizza industry most likely a monopoly, perfectly competitive, monopolistically competitive, or an oligopoly industry?