问题如下:
If an investor intends to earn $100 in three years assuming the interest rate is 8.87% constantly, how much should he invest now ?
选项:
A.$77.75.
B.$77.50.
C.$100.
解释:
B is correct.
N = 3; I/Y = 8.87; PMT = 0;FV=100, CPT PV = -$77.50
题干说wants to earn $100,难道不是FV=100+PV吗?应该用公式 PV(1+8.87%)³ = 100 + PV吗?