A stock has a required rate of return of 15%, a constant growth rate of 10%, and a dividend payout ratio of 45%. The stock's price-earnings ratio should be:（）

A. 3.0 times.

B. 9.0 times.

C. 4.5 times.

将财政支出划分为经济建设费、社会文教费、国防费、行政管理费、债务支出、其他支出，依据的是（）。

A、支出用途

B、费用类别

C、支出的性质

D、国际分类