Mark the statements below as true or false:

-A corporation's cost of common equity may be estimated using either a dividend valuation model or the capital asset pricing model.

-Advantages of the payback period include that it is easy to calculate, easy to understand, and that it is based on cash flows rather than on accounting profits.

-An acceptable project should have a net present value greater than or equal to zero and a profitability index greater than or equal to one.

-An increase in a corporation's marginal tax rate will cause the corporation's after tax cost of debt to increase, other things remaining the same.