40%的氢氧化钠溶液（）。
参考答案：释放氨气
统性风险包括（）。
A.政策风险
B.经济周期性波动风险
C.利率风险
D.购买力风险
The relevant 1-year,2-year, and 3-year spot rates are 3.25% ,3.35%, and 3.65%. A 3-year annual-pay bond with a 7% coupon rate and a $10000 face value is priced at $10850. What is the amount of potential arbitrage profit available from the mis-pricing of this bond
A．
B．
C．
