Answer :
Answer:
Option (D) is correct.
Explanation:
When there is a imposition of price floor by the government, if this price floor exceeds the prevailing market equilibrium price then as a result there is a reduction in the quantity demanded and increase in the quantity supplied.
In our case, price floor of $4 > equilibrium price of a jar of spaghetti sauce, $3
Hence, it will become expensive for the consumers to buy the same quantity at a higher prices, as a result there is a fall in the quantity demanded and at the same time there is a rise in the quantity supplied as it will become more profitable for the firm to produce more and supply more.