Reynolds Paper Products Corporation follows a strict residual dividend policy. All else equal, which of the following factors would be most likely to lead to an increase in the firm's dividend per share?

a. The company increases the percentage of equity in its target capital structure.

b. Congress lowers the tax rate on capital gains. The remainder of the tax code is not changed.

c. Earnings are unchanged, but the firm issues new shares of common stock.

d. The number of profitable potential projects increases.

e. The firm's net income increases.