An important assumption that is made when constructing a supply schedule is only price and quantity matter in determining supply. supply is too important to be left to the marketplace. demand has a positive slope. firms always want to sell a certain amount of a product. all other determinants of supply are held constant.

only price and quantity matter in determining supply

all other determinants of supply are held constant

Explanation:

At the time of constructing the supply schedule, only price and quantity should be considered and other factors should remain the same because the factors that impacts the supply other than the price so it shifted the supply curve but when only the price changed so there should be the movement also law of supply represent the direct relationship between tfhe price and the supply

i would say a penny hope it you