explain your answer , why What makes one dollar in the future less desirable than one dollar today? A) variable interest rate B) a forgone opportunity of investment C) a diminishing purchasing power of money over time D) a growing inflation E) accumulated welfare of people What does the term "market equivalence" imply? A) indifference on the part of a decision maker among available choices B) the existence of a mathematical relationship between time and money C) the ability to exchange one cash flow for another at minimum cost D) the ability to exchange one cash flow for another at no cost E) the ability to obtain a zero net cash flow