Efficiency occurs when a. the economy has a fair and just distribution of income. b. all markets are in equilibrium. c. the economy is producing what people want at least possible cost. d. unemployment is low and prices are stable.

The correct answer is C

Explanation:

Efficiency is the term which is described as the ability for avoiding the waste materials, money, energy, efforts and the time in producing something in order to achieve the desired result or consequence. In short, it is a concept which is quantitatively, measurable determined through the ratio of the useful output to the aggregate input.

Therefore, the efficiency occurs or happen when the economy is producing what the people want which is available at the very least possible cost.

The Correct Answer is C

Explanation:

i believe the answer is: streets and roads

public property refers to the property that can be used by all legal citizens in a certain country. the public property was created and maintain using the government budget that allocated specifically for it. the budget itself come from the citizen's income tax payment.