4. Problem 12.05 (Optimal Capital Budget) Marble Construction estimates that its WACC is 9% if equity comes from retained earnings. However, If the company issues new stock to raise new equity, it estimates that its Wacc will rise to 9.7\%. The company believes that it wall exhaust its retained earnings at $2,300,000 of capital due to the number of highly profitable projects available to the firm and its limited earnings. The company is considering the following seven investment projects: Assume that each of these projects is independent and that each is fust as risky as the firm's existing assets. Which set of projects should be accepted? What is the firm's optimal capital budget? Round your answer to the nearest dollar