Special editions of the 4 collectible coins______.
A.are made of copper and sitver
B.sell at a price same as their face value
C.are likely to be used for circulation in the future
D.have different metal content from the one—dollar coin
A.2000
B.1500
C.1200
A、复利终值系数与复利现值系数互为倒数
B、复利终值系数与普通年金现值系数互为倒数
C、复利终值系数与普通年金终值系数互为倒数
D、年金终值系数与普通年金终值系数互为倒数
普通年金终值系数的倒数称为()。
A.复利终值系数
B.偿债基金系数
C.普通年金现值系数
D.投资回收系数