Aristotle, the great philosopher, summed up the four chief qualities of money about 2000 years ago. it must be lasting and easy to recognize, to divide and to carry about. in other words, it must be durable, distinct, divisible and portable, when we think of money today we picture it either as round, flat pieces of metal which we call coins, or as printed paper notes. but there are still parts of the world today where coins and notes aren’t used. they will buy nothing, and a traveler might starve, that is die of hunger, if he had none of the special local money to exchange for food. aristotle said money should be ….

a) durable, distinct, divisible and portable
b) of metal
c) durable
d) of high quality materials