香港公司相关的税务英文缩写意思

W.D.V. b/f= Written Down Value Brought Forward(承前减计价值)
I.A.=Intangibal Asset (无形资产)
A.A.=Activity Accounting (作业会计）
W.D.V.c/f=written down value carried forward (减计价值结转)
F.L.= Long Term Financing Cost（长期筹资费用率）