A firm's earnings per share increased from $$6$ to $$8,$ its dividends per share increased from $$1\mathrm{.}50$ to $$2\mathrm{.}00,$ and its share price increased from $$70$ to $$80.$ Given this information, it follows that:

A$.$ the stock experienced a decrease in its $\frac{P}{E}$ ratio.

B$.$ the required rate of return increased.

C$.$ the company had an increase in its dividend payout ratio.