Comparing the two cases in Exhibits 4 and 5, the difference in value creation and destruction is driven entirely by the relationship between the expected returns and the discount rate: in the first case, the spread is positive; in the second case, it is negative. Only in the instance where expected returns equal the discount rate will book value equal intrinsic value. In short, book value or the investment outlay may not reflect the economic reality. One needs to focus on the prospective rates of return, and how they compare to the required rate of return.