solve and explain

Marble Construction estimates that its WACC is 11% if equity comes from retained earnings. However, If the company issues new stock to raise new equity, it estimates that iss WACC will rise to 11.9%. The compeny believes that it will exhaust its retained earnings at $2,500,000 of capital due to the number of highly profitable projects avallable to the firm and its limited earnings. The compony is considering the folowing seven investment projects: Assume that each of these projects is independent and that each is just as risky as the firm's existing assets. Which set of projects should be accepted? What is the firm's optimal captal budget? Round your answer to the nearest doliaf