Answer:
c. start conserving coffee immediately and switch to other beverages if it was easy to do so.
Explanation:
At the substantial increase in the price of coffee, consumers will be able to store the available coffee and ration it properly and as a substitute good, people change drinks because the price increases and the other drinks are at the same or lower price, generating that the when the coffee returns to its normal price, people drink it normally again
Nuclear test ban treaty and the non proliferation treaty
