Scenario 4.2: Suppose that the demand for artichokes (Qa) is given as: Qa = 200 - 4P

18) Use the information in Scenario 4.2. What is the price elasticity of demand if the price of artichokes is $10? A) 0 B) -0.25 C) -1 D) -4 E) negative infinity

19) Use the information in Scenario 4.2. Suppose that the price of artichokes is increased slightly from $10. The total expenditure by consumers on artichokes will ________ and the number of artichokes sold will ________. A) rise; rise B) rise; fall C) fall; rise D) fall; fall

20) The cost-output elasticity can be written and calculated as:

A) MC/AC.

B) AC/MC.

C) (AC)(MC).

D) (AC)2(MC).

E) (AC)(MC)2.

NO NEED FOR EXPLANATIONS JUST CORRECT ANSWERS MAHALO