条件:: s ?+ M9 q. f. J/ G
1. 贷款利率 6% ' d# M. O# F: U B4 s 2. 边际税率32%" N3 i# F% @8 E1 I% h
3. 收益全部为CAPTIAL GAIN, no divident 7 m- J |7 T* n) ]" A' _8 y. P/ I 4. 贷款利息简化为一年后一次付清+ T- S; |: I" W) X) r$ g
5. 借款10,000. [' q" Q5 U1 ?& e' u+ x
问: 一年后收益为多少是达到盈亏平衡/ Q4 s3 J* e: I7 e' c
total cost = 600 - 600 x 0.32 # p" P' X8 a9 N9 G' B" o, m2 [total gain = E - 0.5 x 0.32 E 3 n. }1 ~% {: Q& D1 [0 FTherefore E = 485! a% L/ l1 l" w/ D* H
4.85% gain can balance the interest cost.