meltyfish 2014-10-26 05:08 PM

Sonia Sopwith has set her heart on buying a car. She plans to do this 5 years from now at which time she expects the car to cost $9,475. The rate of interest at the bank she uses is expected to remain constant at 8 percent per year throughout the next five years. Two years from now, her mother has promised to give $2,500 to her which she can put in the bank to help pay for the car. Assuming she saves the same amount out of her salary each year, how much must she save at the end of years 1-5 if she wishes to have enough money to buy the car five years from now?

空氣流動 2014-10-27 12:01 AM

Assuming she saves the same amount out of her salary each year

既然係咁, 每年save $y囉, 反正問題都係問緊呢個y

其實依家有兩個時段:

- 由依家開始至第二年

- 阿媽咗$2500佢開始到第五年

第五年要有$9,475

你分開呢兩個時段用NPV break返個price就可以呢:P

既然係咁, 每年save $y囉, 反正問題都係問緊呢個y

其實依家有兩個時段:

- 由依家開始至第二年

- 阿媽咗$2500佢開始到第五年

第五年要有$9,475

你分開呢兩個時段用NPV break返個price就可以呢:P

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