Inflation:reduces the Purchasing Power of Future Dollars relative to Current Ones
Compound Interest: You can put today’s money into an interest bearing account, which will compound over the year to a greater future value
TheUncertainty Surrounding the Receipt of a Dollar: increases as the Date of Receipt Recedes into the Future. Thus, the Promise of $1 in 30 days is usually Worth more than the promise of $1 in 30 months, simply because it is Customarily More Certain.
