Pablo and Elena run a software development firm and are considering selling the firm to a larger corporation. During their talks with Microsoft, they've argued with MS about how to properly value the firm. Their firm has moderate but steadily increasing sales and is well past the initial development and startup stages--they've just recently begun to generate profits, which they believe would increase substantially with a big marketing push. Describe how the following valuation methods are different when applied to this particular firm: discounted cash flow with WACC, adjusted present value, price-to-earnings ratio multipliers, and economic value added (using NOPAT). You must cite any sources you use