单利计息VS 复利计息

记忆钢琴

单利计息：本利和=本金+本金*利率*年数

复利计息：本金（1+利率）^年数

如果题目中说simple annual interes就用第一个公式，如果没说就用第二个，是这样的吗？大家帮我看看对不对，谢谢！！

sherry0701

对的 用第二个的时候应该会说compound的

记忆钢琴

对的 用第二个的时候应该会说compound的

-- by 会员 sherry0701 (2010/1/28 21:13:12)

谢谢！比如
172.

Nathan took out a student loan for $1,200 at 10 percentannual interest, compounded annually.  Ifhe did not repay any of the loan or interest during the first 3 years, which ofthe following is closest to the amount of interest that he owed for the 3years?

(A) $360

(B) $390

(C) $400

(D) $410

(E) $420

【答案】C

这道题就是复利计息吧？