A Key Assumption Made When a Supply Schedule Is Constructed

Multiple Choice

A key assumption made when a supply schedule is constructed is that

A) the only factors that matter in determining supply are price and quantity.
B) firms only want to sell a certain amount of a product.
C) supply is too important to be left to the marketplace.
D) only price and quantity vary, all other determinants of supply are held constant.
E) demand has a positive slope.