条件:% g5 f6 H) F+ O k
1. 贷款利率 6% 5 w/ m! ?; B8 i+ W' s 2. 边际税率32%( r& v h5 E- g
3. 收益全部为CAPTIAL GAIN, no divident : b, h* z( I. J" H. _3 }1 A9 S 4. 贷款利息简化为一年后一次付清$ X: H3 \3 q' `' u2 L5 f
5. 借款10,000 8 D% y! `9 Q: H$ z: m) o问: 一年后收益为多少是达到盈亏平衡$ o( _+ N% s' r. ~& H0 ]9 B
total cost = 600 - 600 x 0.32 3 r4 K9 T/ e* p m, M, `; k' O, Etotal gain = E - 0.5 x 0.32 E : K m7 _& r7 h$ b5 dTherefore E = 485 ; A$ p8 u1 B. n: r1 \$ q4.85% gain can balance the interest cost.