In short, book depreciation is for your accounts purpose

while tax depreciation is for your taxable income calcuation.

Normally the depreciation rate for book and for tax are different so adjustments needs to be made for taxable income calculation.

Don't know what is custom depreciation.

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thanks, that explains. -天外飞砖- 给 天外飞砖 发送悄悄话 天外飞砖 的博客首页 (0 bytes) () 05/18/2010 postreply 18:46:11

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