1. A main idea of this chapter is that (a) our economy can function without money (b) money serves as a medium of exchange, a way of calculating value, and a method of saving (c) cash is a better way of making payments than electronic funds transfer (d) checks are always a better way of making payments than cash. 2. Under which of the following circumstances would beads be con- sidered money? (a) You said they were money. (b) They were very