If the present value of the expected net cash flows from a machine, discounted at 10%, exceeds the amount to be invested, what can you say about the investment's expected rate of return? What can you say about the expected rate of return if the present value of the net cash flows, discounted at 10%. is less than the investment amount? Why is the present value of $100 that you expect to receive one year from today worth less than $100 received today? What is the present value of $100 that you expect to receive one year from today, discounted at 12%