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求大哥大姐帮帮忙,Christine is a new homebuyer.She wants to make sure

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求大哥大姐帮帮忙,
Christine is a new homebuyer.She wants to make sure that she incorporates the cost of maintenance into her decision.She estimates that routine repairs and maintenance on the home she is considering will be $1,590 in the first year (one year from now).Due to the increasing age of the home,she expects that maintenance costs will increase 6% annually.The interest rate is 5%.If she plans to be in the home for 10 years,what is the present value of all future maintenance?(Note that maintenance costs will change annually,and starts one year from now and she plans to do the last one before selling her house.)
求大哥大姐帮帮忙,Christine is a new homebuyer.She wants to make sure
5%不能翻译做利息,是贴现率,你从账面值转到净现值的时候要除掉的,这道题是让你将未来的现金流转化为当前时点的净值!
1590*(1+6%)^(n-1)是 第n年的房租账面值
再除以(1+5%)^(n-1) 是 第n年的房租 现在价值(考虑到物价上涨)
原理就是这样.所以 你算出来的值是小于你这些年直接贾总的账面值的!