Question $1($Mandatory$)(4$ points$)$

A double coincidence of wants means that

a$)$ each party in an exchange transaction has what the other party desires.

b$)$ one party in an exchange transaction wants twice what the other party is offering.

c$)$ desires in the marketplace are always unpredictable, so it takes at least two exwhanges for every market participant to be satisfied.

d$)$ both parties desire the same good or service, making exchange impossible.

e$)$ both parties in an exchange have a desire, but no means by which to pay for it$.$