discount 和 present value 的区别?

discount 和 present value 的区别? 求问present value和net present value的区别 急.求future value和present value的区别? realisable value 和 present value有什么区别?ACCA F2里面的 present discount market value 和book value的区别 worth和value的区别? 有关present value的题 The present value of $100 due in 5 years at a 3% discount ra gift和present的区别 present和gift的区别? present和gift的区别