Answer:
Teller cost is a variable cost.
Explanation:
As shown in table attached below.
Answer:The two main branches of economics are microeconomics and macroeconomics
Explanation:
Answer:
B. changes production levels to meet the demand.
Explanation:
The Keynesian model is usually used as a theoretical approach to understand economics in the short run. For Keynes, in the short term, firms can not change their prices immediately because exist a menu cost: the cost of changing prices. Instead, firms change the unique variable that they can control: quantities.
In such way can meet the demand in the short run.