如图：A、B两种物质的溶解度曲线，请回答：

（1）t₃℃时，把46g固体A放入100g水中，充分溶解后可得到A的______溶液（填“饱和”或“不饱和”）．

（2）t₁℃时，A、B两种物质溶解度的大小关系为A______B（填“＞”、“＜”或“=”，下同）．

（3）在其他条件不变的情况下，若把t_l℃时A、B的饱和溶液分别升温至t₂℃，此时两种溶液中溶质的质量分数的大小关系为A______B：若把t₃℃时A、B的饱和溶液分别降温至t₂℃，此时两种溶液中溶质的质量分数的大小关系为A______B．

The risk-free rate is 5 percent, the market rate is 12 percent, and the beta of a stock is 0.5, what would happen to the required rate of return if the inflation premium increased by 2 percent It would:（）

A. increase to 15.

B. decrease to 8.5.

C. increase to 10.5.