Which one of the following is TRUE? A) Dollar amounts received at different points in time can be compared in absolute terms. B) The one-year discount factor is the discount at which we can purchase money in the future, one year from now. C) In order to distinguish between inflows and outflows, different colors are assigned to each of these cash flows when constructing a timeline. D) For investment purposes, a dollar today may be considered to be equal to a dollar at some future time.