15.37% Clear my choice Given the following cash flows for projects A and B. A:($-3000, $800, $900, $600, $600), B:($-3000, $400, $600, $900, $300). If the required rate of return for the project is 4.5%. The NPV of project A is $ The cost of common equity obtained by retaining earnings is the rate of return the marginal stockholder requires on the firm's common stock. Select one