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An increase in the discount rate: a. is one method of compensating for reduced risk. b. will have no effect on net present value. c. will increase the present value of future cash flows. d. will reduce the present value of future cash flows. Peralta Company is considering the following investment proposals: How should management rank the proposals in terms of preference using the profitability index? a. D, B, C, A. b. B, D, C, A. c. B, D, A, C. d. A, C, B, D