The present value of money

Aphorisms abound about money and value, and they are common because they are so quickly instructive. “A bird in the hand is worth two in the bush.” “A penny saved is a penny earned.” Most importantly for the nonprofit crowd, “I will gladly pay you Tuesday for a hamburger today.” Nonprofits are constantly striving for a little up-front cash to get the work done. There once was a day when…