Marble Construction estumates that its WACC is B\% if equity comes frecn retained earnings. However, if the company issues new stock to raise new equity, a estimates that its WACC will earrings, The company is considenng the following seven investment projects: Assume that each of these projects is independent and that each is just as nisy as the firm's existing assets. Which set of projects should be acoepted? What is the firm's optimal capral budget? Round your atiswer to the nearest dolar