The level of material comfort as measured by the goods and services available to an individual, group, or nation as it applies to economics is called the

The answer is the Standard of Living.  This shows how well people are doing or if they are having difficulty making ends meet.  Some countries have a high standard of living when they can afford a house, car and other expenses.  You can tell if living standards are high when there is a low level of poverty and everyone has access to all the benefits that a country can offer.

the answer is b: a lockout