 鲜花( 0)  鸡蛋( 0)
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Suppose Intr is annually compounded & I4 v% P: q- {2 ?' M( _) U0 K2 |
Month 0 Mon. 8 Mon. 12
0 e% W, h2 b- ^9 ~: H& jCash Principal X -750 -950
: ?3 N5 v l+ n$ K- B/ ACash Intr (Should Pay) -X*9.5%*8/12 -(X-750)*9.5%*4/12
7 L% Y% m- k& V: BPV at mon 0 X -[750+X*9.5%*8/12] -[950+(X-750)*9.5%*4/12]
! \7 m! q' F: m" b/ f2 u /(1+7.75%*8/12) /(1+7.75%*12/12)
, J. [) m0 P3 C- Z/ }" t4 O T
Y& ^; o0 y4 y7 x; L# lthese 3 should add up to 0, i.e. NPV at month 0 is 0.& a; C5 G) u% |8 K5 k4 m# ]
- F0 t# b$ h+ J. }( J
Conclusion X = 1729.8 3 u- A5 r8 I% B; S7 q" y2 g8 H
- G' Q. }( h8 BSo, Initial borrowing was 1730 *(1+7.5%) 1859.5 approx. $1,860 $ p$ q4 i0 O+ B" D/ [% h3 U
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