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苏·Xu · 2022年11月08日

quant

NO.PZ2015120604000016

问题如下:

An investor invests $180,000  today . Assume the interest rate is 10% and the investment can coumpound daily. after 2 years, the value of the investment will be :

选项:

A.

$217,800.

B.

$198,928.

C.

$219,846.

解释:

C is correct.

N = 2 × 365 ;

I/Y = 10 / 365 ;

PMT = 0;

PV = -180,000;

CPT  FV = $219,846.47

180000 invested TODYAY, 为什么不用考虑BGN呢?

1 个答案

星星_品职助教 · 2022年11月09日

同学你好,

“ invests $180,000”是PV值,PV永远都是在“today”即0时点投资的。

区分BGN和END的模式要看的是PMT的投资时点。本题没有PMT,所以不需要使用先付年金。或者说,这种情况下,BGN模式和END模式的结果不会有区别。

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