Answer:
b. substituting inferior ingredients and selling at the official price
Step-by-step explanation:
Price controls are restrictions placed on the price of a good or service by the government. There are two types of price control :
1. Price floor - this is when the government sets the minimum price for a good or service.
2. Price ceiling - this is when the government sets the maximum price for a good or service.
During the world war 2, producers evaded price control by reducing the quality of candy ; they added fat in the production of candy.
I hope my answer helps you.