罗斯《理财》第9版精要版英文原书课后部分章节答案 详细?1 17 CH5 1113181920 11. To find the PV of a lump sum we use: PV = FV (1 r) t PV = 1000000 () 80 = 13. To answer this question we can use either the FV or the PV