其实没什么。省了80k/3k*$20 about $600

来源: 于 2009-03-19 12:36:40 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

+ 20 hours.

If your company pay you $40 per hour, that's
$600 + $20*40= $2200 in savings.
replacing an rebuilt engine cost you $1000
so you still gain $1200...
not bad.