有兩個題目做了之幾次還是不對，
是否可以請會的人看一下，
謝謝。
On 1 January 2002, a 9.0 percent coupon rate bond
with a par value of $1,000 and 10 years to maturity
had a discount rate of 8.0 percent.
Because of an upgrade in the bond's rating on 1 January 2003,
the discount rate decreased to 7.7 percent.
If interest is paid annually, the change in the bond's price
form 2002 to 2003 attributable only to the passage of time is closest to :
我知道的是利率降低，價格應該是升高，
2002年的現值是-1,067.10沒有問題，
但是2003卻一直算錯，
請問一下2003我的N是否要代9 ???
I是要代7.7吧???
請指正一下我的錯誤
答案是 -4.63
A price-weighted series is composed of the following
three common stocks
股票A 流通在外股數1,000,000 價格為10
股票B 流通在外股數5,000,000 價格為20
股票C 流通在外股數6,000,000 價格為30
If stock C completes a two-for -one stock split,
the value of the index after the split will be closest to
這題的分子不知道要代多少去除，
還有就是two-for-one stock split中文應該是兩股合一股嗎???
唉…英文差就是…
頭大…
答案是20
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