The [ Select ] ["interest value of money", "time value of money"] is that money that you get in the future is [ Select ] ["worth less", "equal", "worth more"] than getting it today because the future is full of [ Select ] ["uncertainty", "opportunity"] . Therefore, a hundred dollars that you get in the future is worth [ Select ] ["more", "less"] than getting that one hundred dollars today. So that means we have to [ Select ] ["compound", "discount"] that value of the hundred dollars to its present value.