Should DFB raise its dividend? $($Select the best choice below.$)$A$.$ DFB should not raise dividends because projects have positive NPV when the return on new investments is higher than the firm's cost of capital.

B$.$ DFB should not raise dividends because companies should always reinvest as much as possible.

C$.$ DFB should raise dividends because, according to the dividend$-$discount model, doing so will always improve the share price.

D$.$ DFB should raise dividends because the return on new investments is lower than the cost of capital.