3.4 Present value Suppose the real interest rate is -5%. To the nearest 0.01, what is the present value of each of the following income streams (expressed in units of consumption goods)? a) m = 100, m2 = 200, m3 = 300, with m,-0 for all t = 4, . . . , oo b) mi--100, m100 for all t-2,...,oo c) m-100, m2m3m0, ms 150, m0 for all t 6,...,oo