问题
单项选择题
A $500 investment offers a 7.5 percent annual rate of return. How much will it be worth in four years（）
A. $ 650.
B. $ 668.
C. $ 753.
答案
参考答案：B
解析：
N=4; I/Y=7.5; PV=-500; PMT=0; CPT→FV=667.73.
OR 500 (1.075)4=667.73